204578920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 256

約数和(自身を含む): 612864000

約数和(自身を除く): 408285080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 37, 40, 49, 52, 56, 62, 65, 70, 74, 91, 98, 104, 124, 130, 140, 148, 155, 182, 185, 196, 217, 245, 248, 259, 260, 280, 296, 310, 343, 364, 370, 392, 403, 434, 455, 481, 490, 518, 520, 620, 637, 686, 728, 740, 806, 868, 910, 962, 980, 1036, 1085, 1147, 1240, 1274, 1295, 1372, 1480, 1519, 1612, 1715, 1736, 1813, 1820, 1924, 1960, 2015, 2072, 2170, 2294, 2405, 2548, 2590, 2744, 2821, 3038, 3185, 3224, 3367, 3430, 3626, 3640, 3848, 4030, 4340, 4459, 4588, 4810, 5096, 5180, 5642, 5735, 6076, 6370, 6734, 6860, 7252, 7595, 8029, 8060, 8680, 8918, 9065, 9176, 9620, 10360, 10633, 11284, 11470, 12152, 12691, 12740, 13468, 13720, 14105, 14504, 14911, 15190, 16058, 16120, 16835, 17836, 18130, 19240, 19747, 21266, 22295, 22568, 22940, 23569, 25382, 25480, 26936, 28210, 29822, 30380, 32116, 33670, 35672, 36260, 39494, 40145, 42532, 44590, 45880, 47138, 50764, 53165, 56203, 56420, 59644, 60760, 63455, 64232, 67340, 72520, 74555, 78988, 80290, 85064, 89180, 94276, 98735, 101528, 104377, 106330, 112406, 112840, 117845, 119288, 126910, 134680, 138229, 149110, 157976, 160580, 164983, 178360, 188552, 197470, 208754, 212660, 224812, 235690, 253820, 276458, 281015, 298220, 321160, 329966, 393421, 394940, 417508, 425320, 449624, 471380, 507640, 521885, 552916, 562030, 596440, 659932, 691145, 730639, 786842, 789880, 824915, 835016, 942760, 1043770, 1105832, 1124060, 1319864, 1382290, 1461278, 1573684, 1649830, 1967105, 2087540, 2248120, 2764580, 2922556, 3147368, 3299660, 3653195, 3934210, 4175080, 5114473, 5529160, 5845112, 6599320, 7306390, 7868420, 10228946, 14612780, 15736840, 20457892, 25572365, 29225560, 40915784, 51144730, 102289460, 204578920]

約数ペア:

[(1, 204578920), (2, 102289460), (4, 51144730), (5, 40915784), (7, 29225560), (8, 25572365), (10, 20457892), (13, 15736840), (14, 14612780), (20, 10228946), (26, 7868420), (28, 7306390), (31, 6599320), (35, 5845112), (37, 5529160), (40, 5114473), (49, 4175080), (52, 3934210), (56, 3653195), (62, 3299660), (65, 3147368), (70, 2922556), (74, 2764580), (91, 2248120), (98, 2087540), (104, 1967105), (124, 1649830), (130, 1573684), (140, 1461278), (148, 1382290), (155, 1319864), (182, 1124060), (185, 1105832), (196, 1043770), (217, 942760), (245, 835016), (248, 824915), (259, 789880), (260, 786842), (280, 730639), (296, 691145), (310, 659932), (343, 596440), (364, 562030), (370, 552916), (392, 521885), (403, 507640), (434, 471380), (455, 449624), (481, 425320), (490, 417508), (518, 394940), (520, 393421), (620, 329966), (637, 321160), (686, 298220), (728, 281015), (740, 276458), (806, 253820), (868, 235690), (910, 224812), (962, 212660), (980, 208754), (1036, 197470), (1085, 188552), (1147, 178360), (1240, 164983), (1274, 160580), (1295, 157976), (1372, 149110), (1480, 138229), (1519, 134680), (1612, 126910), (1715, 119288), (1736, 117845), (1813, 112840), (1820, 112406), (1924, 106330), (1960, 104377), (2015, 101528), (2072, 98735), (2170, 94276), (2294, 89180), (2405, 85064), (2548, 80290), (2590, 78988), (2744, 74555), (2821, 72520), (3038, 67340), (3185, 64232), (3224, 63455), (3367, 60760), (3430, 59644), (3626, 56420), (3640, 56203), (3848, 53165), (4030, 50764), (4340, 47138), (4459, 45880), (4588, 44590), (4810, 42532), (5096, 40145), (5180, 39494), (5642, 36260), (5735, 35672), (6076, 33670), (6370, 32116), (6734, 30380), (6860, 29822), (7252, 28210), (7595, 26936), (8029, 25480), (8060, 25382), (8680, 23569), (8918, 22940), (9065, 22568), (9176, 22295), (9620, 21266), (10360, 19747), (10633, 19240), (11284, 18130), (11470, 17836), (12152, 16835), (12691, 16120), (12740, 16058), (13468, 15190), (13720, 14911), (14105, 14504)]