1220485760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8629}}^1$

素因数の和:8678

約数の個数: 128

約数和(自身を含む): 3327382800

約数和(自身を除く): 2106897040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 832, 884, 1040, 1088, 1105, 1360, 1664, 1768, 2080, 2176, 2210, 2720, 3536, 4160, 4420, 5440, 7072, 8320, 8629, 8840, 10880, 14144, 17258, 17680, 28288, 34516, 35360, 43145, 69032, 70720, 86290, 112177, 138064, 141440, 146693, 172580, 224354, 276128, 293386, 345160, 448708, 552256, 560885, 586772, 690320, 733465, 897416, 1104512, 1121770, 1173544, 1380640, 1466930, 1794832, 1907009, 2243540, 2347088, 2761280, 2933860, 3589664, 3814018, 4487080, 4694176, 5522560, 5867720, 7179328, 7628036, 8974160, 9388352, 9535045, 11735440, 14358656, 15256072, 17948320, 18776704, 19070090, 23470880, 30512144, 35896640, 38140180, 46941760, 61024288, 71793280, 76280360, 93883520, 122048576, 152560720, 244097152, 305121440, 610242880, 1220485760]

約数ペア:

[(1, 1220485760), (2, 610242880), (4, 305121440), (5, 244097152), (8, 152560720), (10, 122048576), (13, 93883520), (16, 76280360), (17, 71793280), (20, 61024288), (26, 46941760), (32, 38140180), (34, 35896640), (40, 30512144), (52, 23470880), (64, 19070090), (65, 18776704), (68, 17948320), (80, 15256072), (85, 14358656), (104, 11735440), (128, 9535045), (130, 9388352), (136, 8974160), (160, 7628036), (170, 7179328), (208, 5867720), (221, 5522560), (260, 4694176), (272, 4487080), (320, 3814018), (340, 3589664), (416, 2933860), (442, 2761280), (520, 2347088), (544, 2243540), (640, 1907009), (680, 1794832), (832, 1466930), (884, 1380640), (1040, 1173544), (1088, 1121770), (1105, 1104512), (1360, 897416), (1664, 733465), (1768, 690320), (2080, 586772), (2176, 560885), (2210, 552256), (2720, 448708), (3536, 345160), (4160, 293386), (4420, 276128), (5440, 224354), (7072, 172580), (8320, 146693), (8629, 141440), (8840, 138064), (10880, 112177), (14144, 86290), (17258, 70720), (17680, 69032), (28288, 43145), (34516, 35360)]