81137940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 269256960

約数和(自身を除く): 188119020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 29, 30, 34, 39, 51, 52, 58, 60, 65, 68, 78, 85, 87, 102, 116, 130, 145, 156, 170, 174, 195, 204, 211, 221, 255, 260, 290, 340, 348, 377, 390, 422, 435, 442, 493, 510, 580, 633, 663, 754, 780, 844, 870, 884, 986, 1020, 1055, 1105, 1131, 1266, 1326, 1479, 1508, 1740, 1885, 1972, 2110, 2210, 2262, 2465, 2532, 2652, 2743, 2958, 3165, 3315, 3587, 3770, 4220, 4420, 4524, 4930, 5486, 5655, 5916, 6119, 6330, 6409, 6630, 7174, 7395, 7540, 8229, 9860, 10761, 10972, 11310, 12238, 12660, 12818, 13260, 13715, 14348, 14790, 16458, 17935, 18357, 19227, 21522, 22620, 24476, 25636, 27430, 29580, 30595, 32045, 32916, 35870, 36714, 38454, 41145, 43044, 46631, 53805, 54860, 61190, 64090, 71740, 73428, 76908, 79547, 82290, 91785, 93262, 96135, 104023, 107610, 122380, 128180, 139893, 159094, 164580, 183570, 186524, 192270, 208046, 215220, 233155, 238641, 279786, 312069, 318188, 367140, 384540, 397735, 416092, 466310, 477282, 520115, 559572, 624138, 699465, 795470, 932620, 954564, 1040230, 1193205, 1248276, 1352299, 1398930, 1560345, 1590940, 2080460, 2386410, 2704598, 2797860, 3120690, 4056897, 4772820, 5409196, 6241380, 6761495, 8113794, 13522990, 16227588, 20284485, 27045980, 40568970, 81137940]

約数ペア:

[(1, 81137940), (2, 40568970), (3, 27045980), (4, 20284485), (5, 16227588), (6, 13522990), (10, 8113794), (12, 6761495), (13, 6241380), (15, 5409196), (17, 4772820), (20, 4056897), (26, 3120690), (29, 2797860), (30, 2704598), (34, 2386410), (39, 2080460), (51, 1590940), (52, 1560345), (58, 1398930), (60, 1352299), (65, 1248276), (68, 1193205), (78, 1040230), (85, 954564), (87, 932620), (102, 795470), (116, 699465), (130, 624138), (145, 559572), (156, 520115), (170, 477282), (174, 466310), (195, 416092), (204, 397735), (211, 384540), (221, 367140), (255, 318188), (260, 312069), (290, 279786), (340, 238641), (348, 233155), (377, 215220), (390, 208046), (422, 192270), (435, 186524), (442, 183570), (493, 164580), (510, 159094), (580, 139893), (633, 128180), (663, 122380), (754, 107610), (780, 104023), (844, 96135), (870, 93262), (884, 91785), (986, 82290), (1020, 79547), (1055, 76908), (1105, 73428), (1131, 71740), (1266, 64090), (1326, 61190), (1479, 54860), (1508, 53805), (1740, 46631), (1885, 43044), (1972, 41145), (2110, 38454), (2210, 36714), (2262, 35870), (2465, 32916), (2532, 32045), (2652, 30595), (2743, 29580), (2958, 27430), (3165, 25636), (3315, 24476), (3587, 22620), (3770, 21522), (4220, 19227), (4420, 18357), (4524, 17935), (4930, 16458), (5486, 14790), (5655, 14348), (5916, 13715), (6119, 13260), (6330, 12818), (6409, 12660), (6630, 12238), (7174, 11310), (7395, 10972), (7540, 10761), (8229, 9860)]