261100960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1718

約数の個数: 96

約数和(自身を含む): 664614720

約数和(自身を除く): 403513760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 68, 80, 85, 118, 136, 160, 170, 236, 272, 295, 340, 472, 544, 590, 680, 944, 1003, 1180, 1360, 1627, 1888, 2006, 2360, 2720, 3254, 4012, 4720, 5015, 6508, 8024, 8135, 9440, 10030, 13016, 16048, 16270, 20060, 26032, 27659, 32096, 32540, 40120, 52064, 55318, 65080, 80240, 95993, 110636, 130160, 138295, 160480, 191986, 221272, 260320, 276590, 383972, 442544, 479965, 553180, 767944, 885088, 959930, 1106360, 1535888, 1631881, 1919860, 2212720, 3071776, 3263762, 3839720, 4425440, 6527524, 7679440, 8159405, 13055048, 15358880, 16318810, 26110096, 32637620, 52220192, 65275240, 130550480, 261100960]

約数ペア:

[(1, 261100960), (2, 130550480), (4, 65275240), (5, 52220192), (8, 32637620), (10, 26110096), (16, 16318810), (17, 15358880), (20, 13055048), (32, 8159405), (34, 7679440), (40, 6527524), (59, 4425440), (68, 3839720), (80, 3263762), (85, 3071776), (118, 2212720), (136, 1919860), (160, 1631881), (170, 1535888), (236, 1106360), (272, 959930), (295, 885088), (340, 767944), (472, 553180), (544, 479965), (590, 442544), (680, 383972), (944, 276590), (1003, 260320), (1180, 221272), (1360, 191986), (1627, 160480), (1888, 138295), (2006, 130160), (2360, 110636), (2720, 95993), (3254, 80240), (4012, 65080), (4720, 55318), (5015, 52064), (6508, 40120), (8024, 32540), (8135, 32096), (9440, 27659), (10030, 26032), (13016, 20060), (16048, 16270)]