1291065680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 160

約数和(自身を含む): 3322073088

約数和(自身を除く): 2031007408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 113, 124, 136, 155, 170, 226, 248, 271, 272, 310, 340, 452, 496, 527, 542, 565, 620, 680, 904, 1054, 1084, 1130, 1240, 1355, 1360, 1808, 1921, 2108, 2168, 2260, 2480, 2635, 2710, 3503, 3842, 4216, 4336, 4520, 4607, 5270, 5420, 7006, 7684, 8401, 8432, 9040, 9214, 9605, 10540, 10840, 14012, 15368, 16802, 17515, 18428, 19210, 21080, 21680, 23035, 28024, 30623, 30736, 33604, 35030, 36856, 38420, 42005, 42160, 46070, 56048, 59551, 61246, 67208, 70060, 73712, 76840, 84010, 92140, 119102, 122492, 134416, 140120, 142817, 153115, 153680, 168020, 184280, 238204, 244984, 280240, 285634, 297755, 306230, 336040, 368560, 476408, 489968, 520591, 571268, 595510, 612460, 672080, 714085, 949313, 952816, 1041182, 1142536, 1191020, 1224920, 1428170, 1898626, 2082364, 2285072, 2382040, 2449840, 2602955, 2856340, 3797252, 4164728, 4746565, 4764080, 5205910, 5712680, 7594504, 8329456, 9493130, 10411820, 11425360, 15189008, 16138321, 18986260, 20823640, 32276642, 37972520, 41647280, 64553284, 75945040, 80691605, 129106568, 161383210, 258213136, 322766420, 645532840, 1291065680]

約数ペア:

[(1, 1291065680), (2, 645532840), (4, 322766420), (5, 258213136), (8, 161383210), (10, 129106568), (16, 80691605), (17, 75945040), (20, 64553284), (31, 41647280), (34, 37972520), (40, 32276642), (62, 20823640), (68, 18986260), (80, 16138321), (85, 15189008), (113, 11425360), (124, 10411820), (136, 9493130), (155, 8329456), (170, 7594504), (226, 5712680), (248, 5205910), (271, 4764080), (272, 4746565), (310, 4164728), (340, 3797252), (452, 2856340), (496, 2602955), (527, 2449840), (542, 2382040), (565, 2285072), (620, 2082364), (680, 1898626), (904, 1428170), (1054, 1224920), (1084, 1191020), (1130, 1142536), (1240, 1041182), (1355, 952816), (1360, 949313), (1808, 714085), (1921, 672080), (2108, 612460), (2168, 595510), (2260, 571268), (2480, 520591), (2635, 489968), (2710, 476408), (3503, 368560), (3842, 336040), (4216, 306230), (4336, 297755), (4520, 285634), (4607, 280240), (5270, 244984), (5420, 238204), (7006, 184280), (7684, 168020), (8401, 153680), (8432, 153115), (9040, 142817), (9214, 140120), (9605, 134416), (10540, 122492), (10840, 119102), (14012, 92140), (15368, 84010), (16802, 76840), (17515, 73712), (18428, 70060), (19210, 67208), (21080, 61246), (21680, 59551), (23035, 56048), (28024, 46070), (30623, 42160), (30736, 42005), (33604, 38420), (35030, 36856)]