728389480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 256

約数和(自身を含む): 2177280000

約数和(自身を除く): 1448890520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 79, 85, 91, 104, 119, 130, 136, 140, 149, 158, 170, 182, 221, 238, 260, 280, 298, 316, 340, 364, 395, 442, 455, 476, 520, 553, 595, 596, 632, 680, 728, 745, 790, 884, 910, 952, 1027, 1043, 1105, 1106, 1190, 1192, 1343, 1490, 1547, 1580, 1768, 1820, 1937, 2054, 2086, 2210, 2212, 2380, 2533, 2686, 2765, 2980, 3094, 3160, 3640, 3874, 4108, 4172, 4420, 4424, 4760, 5066, 5135, 5215, 5372, 5530, 5960, 6188, 6715, 7189, 7735, 7748, 8216, 8344, 8840, 9401, 9685, 10132, 10270, 10430, 10744, 11060, 11771, 12376, 12665, 13430, 13559, 14378, 15470, 15496, 17459, 17731, 18802, 19370, 20264, 20540, 20860, 22120, 23542, 25330, 26860, 27118, 28756, 30940, 32929, 34918, 35462, 35945, 37604, 38740, 41080, 41720, 47005, 47084, 50660, 53720, 54236, 57512, 58855, 61880, 65858, 67795, 69836, 70924, 71890, 75208, 77480, 82397, 87295, 88655, 94010, 94168, 101320, 108472, 117710, 122213, 131716, 135590, 139672, 141848, 143780, 153023, 164645, 164794, 174590, 177310, 188020, 200107, 230503, 235420, 244426, 263432, 271180, 287560, 306046, 329290, 329588, 349180, 354620, 376040, 400214, 411985, 461006, 470840, 488852, 542360, 611065, 612092, 658580, 659176, 698360, 709240, 765115, 800428, 823970, 922012, 977704, 1000535, 1071161, 1152515, 1222130, 1224184, 1317160, 1400749, 1530230, 1600856, 1647940, 1844024, 2001070, 2142322, 2305030, 2444260, 2601391, 2801498, 3060460, 3295880, 4002140, 4284644, 4610060, 4888520, 5202782, 5355805, 5602996, 6120920, 7003745, 8004280, 8569288, 9220120, 10405564, 10711610, 11205992, 13006955, 14007490, 18209737, 20811128, 21423220, 26013910, 28014980, 36419474, 42846440, 52027820, 56029960, 72838948, 91048685, 104055640, 145677896, 182097370, 364194740, 728389480]

約数ペア:

[(1, 728389480), (2, 364194740), (4, 182097370), (5, 145677896), (7, 104055640), (8, 91048685), (10, 72838948), (13, 56029960), (14, 52027820), (17, 42846440), (20, 36419474), (26, 28014980), (28, 26013910), (34, 21423220), (35, 20811128), (40, 18209737), (52, 14007490), (56, 13006955), (65, 11205992), (68, 10711610), (70, 10405564), (79, 9220120), (85, 8569288), (91, 8004280), (104, 7003745), (119, 6120920), (130, 5602996), (136, 5355805), (140, 5202782), (149, 4888520), (158, 4610060), (170, 4284644), (182, 4002140), (221, 3295880), (238, 3060460), (260, 2801498), (280, 2601391), (298, 2444260), (316, 2305030), (340, 2142322), (364, 2001070), (395, 1844024), (442, 1647940), (455, 1600856), (476, 1530230), (520, 1400749), (553, 1317160), (595, 1224184), (596, 1222130), (632, 1152515), (680, 1071161), (728, 1000535), (745, 977704), (790, 922012), (884, 823970), (910, 800428), (952, 765115), (1027, 709240), (1043, 698360), (1105, 659176), (1106, 658580), (1190, 612092), (1192, 611065), (1343, 542360), (1490, 488852), (1547, 470840), (1580, 461006), (1768, 411985), (1820, 400214), (1937, 376040), (2054, 354620), (2086, 349180), (2210, 329588), (2212, 329290), (2380, 306046), (2533, 287560), (2686, 271180), (2765, 263432), (2980, 244426), (3094, 235420), (3160, 230503), (3640, 200107), (3874, 188020), (4108, 177310), (4172, 174590), (4420, 164794), (4424, 164645), (4760, 153023), (5066, 143780), (5135, 141848), (5215, 139672), (5372, 135590), (5530, 131716), (5960, 122213), (6188, 117710), (6715, 108472), (7189, 101320), (7735, 94168), (7748, 94010), (8216, 88655), (8344, 87295), (8840, 82397), (9401, 77480), (9685, 75208), (10132, 71890), (10270, 70924), (10430, 69836), (10744, 67795), (11060, 65858), (11771, 61880), (12376, 58855), (12665, 57512), (13430, 54236), (13559, 53720), (14378, 50660), (15470, 47084), (15496, 47005), (17459, 41720), (17731, 41080), (18802, 38740), (19370, 37604), (20264, 35945), (20540, 35462), (20860, 34918), (22120, 32929), (23542, 30940), (25330, 28756), (26860, 27118)]