775665540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1810

約数の個数: 144

約数和(自身を含む): 2547470016

約数和(自身を除く): 1771804476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 211, 234, 260, 390, 422, 468, 585, 633, 780, 844, 1055, 1170, 1266, 1571, 1899, 2110, 2340, 2532, 2743, 3142, 3165, 3798, 4220, 4713, 5486, 6284, 6330, 7596, 7855, 8229, 9426, 9495, 10972, 12660, 13715, 14139, 15710, 16458, 18852, 18990, 20423, 23565, 24687, 27430, 28278, 31420, 32916, 37980, 40846, 41145, 47130, 49374, 54860, 56556, 61269, 70695, 81692, 82290, 94260, 98748, 102115, 122538, 123435, 141390, 164580, 183807, 204230, 245076, 246870, 282780, 306345, 331481, 367614, 408460, 493740, 612690, 662962, 735228, 919035, 994443, 1225380, 1325924, 1657405, 1838070, 1988886, 2983329, 3314810, 3676140, 3977772, 4309253, 4972215, 5966658, 6629620, 8618506, 9944430, 11933316, 12927759, 14916645, 17237012, 19888860, 21546265, 25855518, 29833290, 38783277, 43092530, 51711036, 59666580, 64638795, 77566554, 86185060, 129277590, 155133108, 193916385, 258555180, 387832770, 775665540]

約数ペア:

[(1, 775665540), (2, 387832770), (3, 258555180), (4, 193916385), (5, 155133108), (6, 129277590), (9, 86185060), (10, 77566554), (12, 64638795), (13, 59666580), (15, 51711036), (18, 43092530), (20, 38783277), (26, 29833290), (30, 25855518), (36, 21546265), (39, 19888860), (45, 17237012), (52, 14916645), (60, 12927759), (65, 11933316), (78, 9944430), (90, 8618506), (117, 6629620), (130, 5966658), (156, 4972215), (180, 4309253), (195, 3977772), (211, 3676140), (234, 3314810), (260, 2983329), (390, 1988886), (422, 1838070), (468, 1657405), (585, 1325924), (633, 1225380), (780, 994443), (844, 919035), (1055, 735228), (1170, 662962), (1266, 612690), (1571, 493740), (1899, 408460), (2110, 367614), (2340, 331481), (2532, 306345), (2743, 282780), (3142, 246870), (3165, 245076), (3798, 204230), (4220, 183807), (4713, 164580), (5486, 141390), (6284, 123435), (6330, 122538), (7596, 102115), (7855, 98748), (8229, 94260), (9426, 82290), (9495, 81692), (10972, 70695), (12660, 61269), (13715, 56556), (14139, 54860), (15710, 49374), (16458, 47130), (18852, 41145), (18990, 40846), (20423, 37980), (23565, 32916), (24687, 31420), (27430, 28278)]