204496240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 549964800

約数和(自身を除く): 345468560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 79, 80, 95, 104, 130, 131, 152, 158, 190, 208, 247, 260, 262, 304, 316, 380, 395, 494, 520, 524, 632, 655, 760, 790, 988, 1027, 1040, 1048, 1235, 1264, 1310, 1501, 1520, 1580, 1703, 1976, 2054, 2096, 2470, 2489, 2620, 3002, 3160, 3406, 3952, 4108, 4940, 4978, 5135, 5240, 6004, 6320, 6812, 7505, 8216, 8515, 9880, 9956, 10270, 10349, 10480, 12008, 12445, 13624, 15010, 16432, 17030, 19513, 19760, 19912, 20540, 20698, 24016, 24890, 27248, 30020, 32357, 34060, 39026, 39824, 41080, 41396, 49780, 51745, 60040, 64714, 68120, 78052, 82160, 82792, 97565, 99560, 103490, 120080, 129428, 134537, 136240, 156104, 161785, 165584, 195130, 196631, 199120, 206980, 258856, 269074, 312208, 323570, 390260, 393262, 413960, 517712, 538148, 647140, 672685, 780520, 786524, 827920, 983155, 1076296, 1294280, 1345370, 1561040, 1573048, 1966310, 2152592, 2556203, 2588560, 2690740, 3146096, 3932620, 5112406, 5381480, 7865240, 10224812, 10762960, 12781015, 15730480, 20449624, 25562030, 40899248, 51124060, 102248120, 204496240]

約数ペア:

[(1, 204496240), (2, 102248120), (4, 51124060), (5, 40899248), (8, 25562030), (10, 20449624), (13, 15730480), (16, 12781015), (19, 10762960), (20, 10224812), (26, 7865240), (38, 5381480), (40, 5112406), (52, 3932620), (65, 3146096), (76, 2690740), (79, 2588560), (80, 2556203), (95, 2152592), (104, 1966310), (130, 1573048), (131, 1561040), (152, 1345370), (158, 1294280), (190, 1076296), (208, 983155), (247, 827920), (260, 786524), (262, 780520), (304, 672685), (316, 647140), (380, 538148), (395, 517712), (494, 413960), (520, 393262), (524, 390260), (632, 323570), (655, 312208), (760, 269074), (790, 258856), (988, 206980), (1027, 199120), (1040, 196631), (1048, 195130), (1235, 165584), (1264, 161785), (1310, 156104), (1501, 136240), (1520, 134537), (1580, 129428), (1703, 120080), (1976, 103490), (2054, 99560), (2096, 97565), (2470, 82792), (2489, 82160), (2620, 78052), (3002, 68120), (3160, 64714), (3406, 60040), (3952, 51745), (4108, 49780), (4940, 41396), (4978, 41080), (5135, 39824), (5240, 39026), (6004, 34060), (6320, 32357), (6812, 30020), (7505, 27248), (8216, 24890), (8515, 24016), (9880, 20698), (9956, 20540), (10270, 19912), (10349, 19760), (10480, 19513), (12008, 17030), (12445, 16432), (13624, 15010)]