281551920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 320

約数和(自身を含む): 1007935488

約数和(自身を除く): 726383568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 41, 48, 52, 60, 62, 65, 71, 78, 80, 82, 93, 104, 120, 123, 124, 130, 142, 155, 156, 164, 186, 195, 205, 208, 213, 240, 246, 248, 260, 284, 310, 312, 328, 355, 372, 390, 403, 410, 426, 465, 492, 496, 520, 533, 568, 615, 620, 624, 656, 710, 744, 780, 806, 820, 852, 923, 930, 984, 1040, 1065, 1066, 1136, 1209, 1230, 1240, 1271, 1420, 1488, 1560, 1599, 1612, 1640, 1704, 1846, 1860, 1968, 2015, 2130, 2132, 2201, 2418, 2460, 2480, 2542, 2665, 2769, 2840, 2911, 3120, 3198, 3224, 3280, 3408, 3692, 3720, 3813, 4030, 4260, 4264, 4402, 4615, 4836, 4920, 5084, 5330, 5538, 5680, 5822, 6045, 6355, 6396, 6448, 6603, 7384, 7440, 7626, 7995, 8060, 8520, 8528, 8733, 8804, 9230, 9672, 9840, 10168, 10660, 11005, 11076, 11644, 12090, 12710, 12792, 13206, 13845, 14555, 14768, 15252, 15990, 16120, 16523, 17040, 17466, 17608, 18460, 19065, 19344, 20336, 21320, 22010, 22152, 23288, 24180, 25420, 25584, 26412, 27690, 28613, 29110, 30504, 31980, 32240, 33015, 33046, 34932, 35216, 36920, 37843, 38130, 42640, 43665, 44020, 44304, 46576, 48360, 49569, 50840, 52824, 55380, 57226, 58220, 61008, 63960, 66030, 66092, 69864, 73840, 75686, 76260, 82615, 85839, 87330, 88040, 90241, 96720, 99138, 101680, 105648, 110760, 113529, 114452, 116440, 127920, 132060, 132184, 139728, 143065, 151372, 152520, 165230, 171678, 174660, 176080, 180482, 189215, 198276, 221520, 227058, 228904, 232880, 247845, 264120, 264368, 270723, 286130, 302744, 305040, 330460, 343356, 349320, 360964, 378430, 396552, 429195, 451205, 454116, 457808, 495690, 528240, 541446, 567645, 572260, 605488, 660920, 686712, 698640, 721928, 756860, 793104, 858390, 902410, 908232, 991380, 1082892, 1135290, 1144520, 1173133, 1321840, 1353615, 1373424, 1443856, 1513720, 1716780, 1804820, 1816464, 1982760, 2165784, 2270580, 2289040, 2346266, 2707230, 3027440, 3433560, 3519399, 3609640, 3965520, 4331568, 4541160, 4692532, 5414460, 5865665, 6867120, 7038798, 7219280, 9082320, 9385064, 10828920, 11731330, 14077596, 17596995, 18770128, 21657840, 23462660, 28155192, 35193990, 46925320, 56310384, 70387980, 93850640, 140775960, 281551920]

約数ペア:

[(1, 281551920), (2, 140775960), (3, 93850640), (4, 70387980), (5, 56310384), (6, 46925320), (8, 35193990), (10, 28155192), (12, 23462660), (13, 21657840), (15, 18770128), (16, 17596995), (20, 14077596), (24, 11731330), (26, 10828920), (30, 9385064), (31, 9082320), (39, 7219280), (40, 7038798), (41, 6867120), (48, 5865665), (52, 5414460), (60, 4692532), (62, 4541160), (65, 4331568), (71, 3965520), (78, 3609640), (80, 3519399), (82, 3433560), (93, 3027440), (104, 2707230), (120, 2346266), (123, 2289040), (124, 2270580), (130, 2165784), (142, 1982760), (155, 1816464), (156, 1804820), (164, 1716780), (186, 1513720), (195, 1443856), (205, 1373424), (208, 1353615), (213, 1321840), (240, 1173133), (246, 1144520), (248, 1135290), (260, 1082892), (284, 991380), (310, 908232), (312, 902410), (328, 858390), (355, 793104), (372, 756860), (390, 721928), (403, 698640), (410, 686712), (426, 660920), (465, 605488), (492, 572260), (496, 567645), (520, 541446), (533, 528240), (568, 495690), (615, 457808), (620, 454116), (624, 451205), (656, 429195), (710, 396552), (744, 378430), (780, 360964), (806, 349320), (820, 343356), (852, 330460), (923, 305040), (930, 302744), (984, 286130), (1040, 270723), (1065, 264368), (1066, 264120), (1136, 247845), (1209, 232880), (1230, 228904), (1240, 227058), (1271, 221520), (1420, 198276), (1488, 189215), (1560, 180482), (1599, 176080), (1612, 174660), (1640, 171678), (1704, 165230), (1846, 152520), (1860, 151372), (1968, 143065), (2015, 139728), (2130, 132184), (2132, 132060), (2201, 127920), (2418, 116440), (2460, 114452), (2480, 113529), (2542, 110760), (2665, 105648), (2769, 101680), (2840, 99138), (2911, 96720), (3120, 90241), (3198, 88040), (3224, 87330), (3280, 85839), (3408, 82615), (3692, 76260), (3720, 75686), (3813, 73840), (4030, 69864), (4260, 66092), (4264, 66030), (4402, 63960), (4615, 61008), (4836, 58220), (4920, 57226), (5084, 55380), (5330, 52824), (5538, 50840), (5680, 49569), (5822, 48360), (6045, 46576), (6355, 44304), (6396, 44020), (6448, 43665), (6603, 42640), (7384, 38130), (7440, 37843), (7626, 36920), (7995, 35216), (8060, 34932), (8520, 33046), (8528, 33015), (8733, 32240), (8804, 31980), (9230, 30504), (9672, 29110), (9840, 28613), (10168, 27690), (10660, 26412), (11005, 25584), (11076, 25420), (11644, 24180), (12090, 23288), (12710, 22152), (12792, 22010), (13206, 21320), (13845, 20336), (14555, 19344), (14768, 19065), (15252, 18460), (15990, 17608), (16120, 17466), (16523, 17040)]