647671440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12211}}^1$

素因数の和:12257

約数の個数: 160

約数和(自身を含む): 2289603456

約数和(自身を除く): 1641932016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 442, 510, 520, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1326, 1360, 1560, 1768, 2040, 2210, 2652, 3120, 3315, 3536, 4080, 4420, 5304, 6630, 8840, 10608, 12211, 13260, 17680, 24422, 26520, 36633, 48844, 53040, 61055, 73266, 97688, 122110, 146532, 158743, 183165, 195376, 207587, 244220, 293064, 317486, 366330, 415174, 476229, 488440, 586128, 622761, 634972, 732660, 793715, 830348, 952458, 976880, 1037935, 1245522, 1269944, 1465320, 1587430, 1660696, 1904916, 2075870, 2381145, 2491044, 2539888, 2698631, 2930640, 3113805, 3174860, 3321392, 3809832, 4151740, 4762290, 4982088, 5397262, 6227610, 6349720, 7619664, 8095893, 8303480, 9524580, 9964176, 10794524, 12455220, 12699440, 13493155, 16191786, 16606960, 19049160, 21589048, 24910440, 26986310, 32383572, 38098320, 40479465, 43178096, 49820880, 53972620, 64767144, 80958930, 107945240, 129534288, 161917860, 215890480, 323835720, 647671440]

約数ペア:

[(1, 647671440), (2, 323835720), (3, 215890480), (4, 161917860), (5, 129534288), (6, 107945240), (8, 80958930), (10, 64767144), (12, 53972620), (13, 49820880), (15, 43178096), (16, 40479465), (17, 38098320), (20, 32383572), (24, 26986310), (26, 24910440), (30, 21589048), (34, 19049160), (39, 16606960), (40, 16191786), (48, 13493155), (51, 12699440), (52, 12455220), (60, 10794524), (65, 9964176), (68, 9524580), (78, 8303480), (80, 8095893), (85, 7619664), (102, 6349720), (104, 6227610), (120, 5397262), (130, 4982088), (136, 4762290), (156, 4151740), (170, 3809832), (195, 3321392), (204, 3174860), (208, 3113805), (221, 2930640), (240, 2698631), (255, 2539888), (260, 2491044), (272, 2381145), (312, 2075870), (340, 1904916), (390, 1660696), (408, 1587430), (442, 1465320), (510, 1269944), (520, 1245522), (624, 1037935), (663, 976880), (680, 952458), (780, 830348), (816, 793715), (884, 732660), (1020, 634972), (1040, 622761), (1105, 586128), (1326, 488440), (1360, 476229), (1560, 415174), (1768, 366330), (2040, 317486), (2210, 293064), (2652, 244220), (3120, 207587), (3315, 195376), (3536, 183165), (4080, 158743), (4420, 146532), (5304, 122110), (6630, 97688), (8840, 73266), (10608, 61055), (12211, 53040), (13260, 48844), (17680, 36633), (24422, 26520)]