691353520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 1903878144

約数和(自身を除く): 1212524624

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 223, 260, 271, 286, 440, 446, 520, 542, 572, 715, 880, 892, 1040, 1084, 1115, 1144, 1355, 1430, 1784, 2168, 2230, 2288, 2453, 2710, 2860, 2899, 2981, 3523, 3568, 4336, 4460, 4906, 5420, 5720, 5798, 5962, 7046, 8920, 9812, 10840, 11440, 11596, 11924, 12265, 14092, 14495, 14905, 17615, 17840, 19624, 21680, 23192, 23848, 24530, 28184, 28990, 29810, 31889, 35230, 38753, 39248, 46384, 47696, 49060, 56368, 57980, 59620, 60433, 63778, 70460, 77506, 98120, 115960, 119240, 120866, 127556, 140920, 155012, 159445, 193765, 196240, 231920, 238480, 241732, 255112, 281840, 302165, 310024, 318890, 387530, 483464, 510224, 604330, 620048, 637780, 664763, 775060, 785629, 966928, 1208660, 1275560, 1329526, 1550120, 1571258, 2417320, 2551120, 2659052, 3100240, 3142516, 3323815, 3928145, 4834640, 5318104, 6285032, 6647630, 7856290, 8641919, 10636208, 12570064, 13295260, 15712580, 17283838, 26590520, 31425160, 34567676, 43209595, 53181040, 62850320, 69135352, 86419190, 138270704, 172838380, 345676760, 691353520]

約数ペア:

[(1, 691353520), (2, 345676760), (4, 172838380), (5, 138270704), (8, 86419190), (10, 69135352), (11, 62850320), (13, 53181040), (16, 43209595), (20, 34567676), (22, 31425160), (26, 26590520), (40, 17283838), (44, 15712580), (52, 13295260), (55, 12570064), (65, 10636208), (80, 8641919), (88, 7856290), (104, 6647630), (110, 6285032), (130, 5318104), (143, 4834640), (176, 3928145), (208, 3323815), (220, 3142516), (223, 3100240), (260, 2659052), (271, 2551120), (286, 2417320), (440, 1571258), (446, 1550120), (520, 1329526), (542, 1275560), (572, 1208660), (715, 966928), (880, 785629), (892, 775060), (1040, 664763), (1084, 637780), (1115, 620048), (1144, 604330), (1355, 510224), (1430, 483464), (1784, 387530), (2168, 318890), (2230, 310024), (2288, 302165), (2453, 281840), (2710, 255112), (2860, 241732), (2899, 238480), (2981, 231920), (3523, 196240), (3568, 193765), (4336, 159445), (4460, 155012), (4906, 140920), (5420, 127556), (5720, 120866), (5798, 119240), (5962, 115960), (7046, 98120), (8920, 77506), (9812, 70460), (10840, 63778), (11440, 60433), (11596, 59620), (11924, 57980), (12265, 56368), (14092, 49060), (14495, 47696), (14905, 46384), (17615, 39248), (17840, 38753), (19624, 35230), (21680, 31889), (23192, 29810), (23848, 28990), (24530, 28184)]