291278539760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1033489}}^1$

素因数の和:1033786

約数の個数: 80

約数和(自身を含む): 732008565120

約数和(自身を除く): 440730025360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 271, 520, 542, 1040, 1084, 1355, 2168, 2710, 3523, 4336, 5420, 7046, 10840, 14092, 17615, 21680, 28184, 35230, 56368, 70460, 140920, 281840, 1033489, 2066978, 4133956, 5167445, 8267912, 10334890, 13435357, 16535824, 20669780, 26870714, 41339560, 53741428, 67176785, 82679120, 107482856, 134353570, 214965712, 268707140, 280075519, 537414280, 560151038, 1074828560, 1120302076, 1400377595, 2240604152, 2800755190, 3640981747, 4481208304, 5601510380, 7281963494, 11203020760, 14563926988, 18204908735, 22406041520, 29127853976, 36409817470, 58255707952, 72819634940, 145639269880, 291278539760]

約数ペア:

[(1, 291278539760), (2, 145639269880), (4, 72819634940), (5, 58255707952), (8, 36409817470), (10, 29127853976), (13, 22406041520), (16, 18204908735), (20, 14563926988), (26, 11203020760), (40, 7281963494), (52, 5601510380), (65, 4481208304), (80, 3640981747), (104, 2800755190), (130, 2240604152), (208, 1400377595), (260, 1120302076), (271, 1074828560), (520, 560151038), (542, 537414280), (1040, 280075519), (1084, 268707140), (1355, 214965712), (2168, 134353570), (2710, 107482856), (3523, 82679120), (4336, 67176785), (5420, 53741428), (7046, 41339560), (10840, 26870714), (14092, 20669780), (17615, 16535824), (21680, 13435357), (28184, 10334890), (35230, 8267912), (56368, 5167445), (70460, 4133956), (140920, 2066978), (281840, 1033489)]