220809680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 160

約数和(自身を含む): 645792000

約数和(自身を除く): 424982320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 619, 637, 686, 728, 784, 910, 980, 1040, 1238, 1274, 1372, 1456, 1715, 1820, 1960, 2476, 2548, 2744, 3095, 3185, 3430, 3640, 3920, 4333, 4459, 4952, 5096, 5488, 6190, 6370, 6860, 7280, 8047, 8666, 8918, 9904, 10192, 12380, 12740, 13720, 16094, 17332, 17836, 21665, 22295, 24760, 25480, 27440, 30331, 32188, 34664, 35672, 40235, 43330, 44590, 49520, 50960, 56329, 60662, 64376, 69328, 71344, 80470, 86660, 89180, 112658, 121324, 128752, 151655, 160940, 173320, 178360, 212317, 225316, 242648, 281645, 303310, 321880, 346640, 356720, 394303, 424634, 450632, 485296, 563290, 606620, 643760, 788606, 849268, 901264, 1061585, 1126580, 1213240, 1577212, 1698536, 1971515, 2123170, 2253160, 2426480, 2760121, 3154424, 3397072, 3943030, 4246340, 4506320, 5520242, 6308848, 7886060, 8492680, 11040484, 13800605, 15772120, 16985360, 22080968, 27601210, 31544240, 44161936, 55202420, 110404840, 220809680]

約数ペア:

[(1, 220809680), (2, 110404840), (4, 55202420), (5, 44161936), (7, 31544240), (8, 27601210), (10, 22080968), (13, 16985360), (14, 15772120), (16, 13800605), (20, 11040484), (26, 8492680), (28, 7886060), (35, 6308848), (40, 5520242), (49, 4506320), (52, 4246340), (56, 3943030), (65, 3397072), (70, 3154424), (80, 2760121), (91, 2426480), (98, 2253160), (104, 2123170), (112, 1971515), (130, 1698536), (140, 1577212), (182, 1213240), (196, 1126580), (208, 1061585), (245, 901264), (260, 849268), (280, 788606), (343, 643760), (364, 606620), (392, 563290), (455, 485296), (490, 450632), (520, 424634), (560, 394303), (619, 356720), (637, 346640), (686, 321880), (728, 303310), (784, 281645), (910, 242648), (980, 225316), (1040, 212317), (1238, 178360), (1274, 173320), (1372, 160940), (1456, 151655), (1715, 128752), (1820, 121324), (1960, 112658), (2476, 89180), (2548, 86660), (2744, 80470), (3095, 71344), (3185, 69328), (3430, 64376), (3640, 60662), (3920, 56329), (4333, 50960), (4459, 49520), (4952, 44590), (5096, 43330), (5488, 40235), (6190, 35672), (6370, 34664), (6860, 32188), (7280, 30331), (8047, 27440), (8666, 25480), (8918, 24760), (9904, 22295), (10192, 21665), (12380, 17836), (12740, 17332), (13720, 16094)]