20840809080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1908499}}^1$

素因数の和:1908533

約数の個数: 128

約数和(自身を含む): 76950720000

約数和(自身を除く): 56109910920

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, 1908499, 3816998, 5725497, 7633996, 9542495, 11450994, 13359493, 15267992, 19084990, 22901988, 24810487, 26718986, 28627485, 38169980, 40078479, 45803976, 49620974, 53437972, 57254970, 66797465, 74431461, 76339960, 80156958, 99241948, 106875944, 114509940, 124052435, 133594930, 148862922, 160313916, 173673409, 198483896, 200392395, 229019880, 248104870, 267189860, 297725844, 320627832, 347346818, 372157305, 400784790, 496209740, 521020227, 534379720, 595451688, 694693636, 744314610, 801569580, 868367045, 992419480, 1042040454, 1389387272, 1488629220, 1603139160, 1736734090, 2084080908, 2605101135, 2977258440, 3473468180, 4168161816, 5210202270, 6946936360, 10420404540, 20840809080]

約数ペア:

[(1, 20840809080), (2, 10420404540), (3, 6946936360), (4, 5210202270), (5, 4168161816), (6, 3473468180), (7, 2977258440), (8, 2605101135), (10, 2084080908), (12, 1736734090), (13, 1603139160), (14, 1488629220), (15, 1389387272), (20, 1042040454), (21, 992419480), (24, 868367045), (26, 801569580), (28, 744314610), (30, 694693636), (35, 595451688), (39, 534379720), (40, 521020227), (42, 496209740), (52, 400784790), (56, 372157305), (60, 347346818), (65, 320627832), (70, 297725844), (78, 267189860), (84, 248104870), (91, 229019880), (104, 200392395), (105, 198483896), (120, 173673409), (130, 160313916), (140, 148862922), (156, 133594930), (168, 124052435), (182, 114509940), (195, 106875944), (210, 99241948), (260, 80156958), (273, 76339960), (280, 74431461), (312, 66797465), (364, 57254970), (390, 53437972), (420, 49620974), (455, 45803976), (520, 40078479), (546, 38169980), (728, 28627485), (780, 26718986), (840, 24810487), (910, 22901988), (1092, 19084990), (1365, 15267992), (1560, 13359493), (1820, 11450994), (2184, 9542495), (2730, 7633996), (3640, 5725497), (5460, 3816998), (10920, 1908499)]