978071640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89567}}^1$

素因数の和:89601

約数の個数: 128

約数和(自身を含む): 3611381760

約数和(自身を除く): 2633310120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 89567, 179134, 268701, 358268, 447835, 537402, 626969, 716536, 895670, 1074804, 1164371, 1253938, 1343505, 1791340, 1880907, 2149608, 2328742, 2507876, 2687010, 3134845, 3493113, 3582680, 3761814, 4657484, 5015752, 5374020, 5821855, 6269690, 6986226, 7523628, 8150597, 9314968, 9404535, 10748040, 11643710, 12539380, 13972452, 15047256, 16301194, 17465565, 18809070, 23287420, 24451791, 25078760, 27944904, 32602388, 34931130, 37618140, 40752985, 46574840, 48903582, 65204776, 69862260, 75236280, 81505970, 97807164, 122258955, 139724520, 163011940, 195614328, 244517910, 326023880, 489035820, 978071640]

約数ペア:

[(1, 978071640), (2, 489035820), (3, 326023880), (4, 244517910), (5, 195614328), (6, 163011940), (7, 139724520), (8, 122258955), (10, 97807164), (12, 81505970), (13, 75236280), (14, 69862260), (15, 65204776), (20, 48903582), (21, 46574840), (24, 40752985), (26, 37618140), (28, 34931130), (30, 32602388), (35, 27944904), (39, 25078760), (40, 24451791), (42, 23287420), (52, 18809070), (56, 17465565), (60, 16301194), (65, 15047256), (70, 13972452), (78, 12539380), (84, 11643710), (91, 10748040), (104, 9404535), (105, 9314968), (120, 8150597), (130, 7523628), (140, 6986226), (156, 6269690), (168, 5821855), (182, 5374020), (195, 5015752), (210, 4657484), (260, 3761814), (273, 3582680), (280, 3493113), (312, 3134845), (364, 2687010), (390, 2507876), (420, 2328742), (455, 2149608), (520, 1880907), (546, 1791340), (728, 1343505), (780, 1253938), (840, 1164371), (910, 1074804), (1092, 895670), (1365, 716536), (1560, 626969), (1820, 537402), (2184, 447835), (2730, 358268), (3640, 268701), (5460, 179134), (10920, 89567)]