979905040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 2469841920

約数和(自身を除く): 1489936880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 59, 62, 74, 80, 118, 124, 148, 155, 181, 185, 236, 248, 295, 296, 310, 362, 370, 472, 496, 590, 592, 620, 724, 740, 905, 944, 1147, 1180, 1240, 1448, 1480, 1810, 1829, 2183, 2294, 2360, 2480, 2896, 2960, 3620, 3658, 4366, 4588, 4720, 5611, 5735, 6697, 7240, 7316, 8732, 9145, 9176, 10679, 10915, 11222, 11470, 13394, 14480, 14632, 17464, 18290, 18352, 21358, 21830, 22444, 22940, 26788, 28055, 29264, 33485, 34928, 36580, 42716, 43660, 44888, 45880, 53395, 53576, 56110, 66970, 67673, 73160, 85432, 87320, 89776, 91760, 106790, 107152, 112220, 133940, 135346, 146320, 170864, 174640, 207607, 213580, 224440, 267880, 270692, 331049, 338365, 395123, 415214, 427160, 448880, 535760, 541384, 662098, 676730, 790246, 830428, 854320, 1038035, 1082768, 1324196, 1353460, 1580492, 1655245, 1660856, 1975615, 2076070, 2648392, 2706920, 3160984, 3310490, 3321712, 3951230, 4152140, 5296784, 5413840, 6321968, 6620980, 7902460, 8304280, 12248813, 13241960, 15804920, 16608560, 24497626, 26483920, 31609840, 48995252, 61244065, 97990504, 122488130, 195981008, 244976260, 489952520, 979905040]

約数ペア:

[(1, 979905040), (2, 489952520), (4, 244976260), (5, 195981008), (8, 122488130), (10, 97990504), (16, 61244065), (20, 48995252), (31, 31609840), (37, 26483920), (40, 24497626), (59, 16608560), (62, 15804920), (74, 13241960), (80, 12248813), (118, 8304280), (124, 7902460), (148, 6620980), (155, 6321968), (181, 5413840), (185, 5296784), (236, 4152140), (248, 3951230), (295, 3321712), (296, 3310490), (310, 3160984), (362, 2706920), (370, 2648392), (472, 2076070), (496, 1975615), (590, 1660856), (592, 1655245), (620, 1580492), (724, 1353460), (740, 1324196), (905, 1082768), (944, 1038035), (1147, 854320), (1180, 830428), (1240, 790246), (1448, 676730), (1480, 662098), (1810, 541384), (1829, 535760), (2183, 448880), (2294, 427160), (2360, 415214), (2480, 395123), (2896, 338365), (2960, 331049), (3620, 270692), (3658, 267880), (4366, 224440), (4588, 213580), (4720, 207607), (5611, 174640), (5735, 170864), (6697, 146320), (7240, 135346), (7316, 133940), (8732, 112220), (9145, 107152), (9176, 106790), (10679, 91760), (10915, 89776), (11222, 87320), (11470, 85432), (13394, 73160), (14480, 67673), (14632, 66970), (17464, 56110), (18290, 53576), (18352, 53395), (21358, 45880), (21830, 44888), (22444, 43660), (22940, 42716), (26788, 36580), (28055, 34928), (29264, 33485)]