656994780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3081

約数の個数: 192

約数和(自身を含む): 2272972800

約数和(自身を除く): 1615978020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 108, 117, 124, 130, 135, 155, 156, 180, 186, 195, 234, 260, 270, 279, 310, 351, 372, 390, 403, 465, 468, 540, 558, 585, 620, 702, 780, 806, 837, 930, 1116, 1170, 1209, 1395, 1404, 1612, 1674, 1755, 1860, 2015, 2340, 2418, 2790, 3019, 3348, 3510, 3627, 4030, 4185, 4836, 5580, 6038, 6045, 7020, 7254, 8060, 8370, 9057, 10881, 12076, 12090, 14508, 15095, 16740, 18114, 18135, 21762, 24180, 27171, 30190, 36228, 36270, 39247, 43524, 45285, 54342, 54405, 60380, 72540, 78494, 81513, 90570, 93589, 108684, 108810, 117741, 135855, 156988, 163026, 181140, 187178, 196235, 217620, 235482, 271710, 280767, 326052, 353223, 374356, 392470, 407565, 467945, 470964, 543420, 561534, 588705, 706446, 784940, 815130, 842301, 935890, 1059669, 1123068, 1177410, 1216657, 1403835, 1412892, 1630260, 1684602, 1766115, 1871780, 2119338, 2354820, 2433314, 2526903, 2807670, 3369204, 3532230, 3649971, 4211505, 4238676, 4866628, 5053806, 5298345, 5615340, 6083285, 7064460, 7299942, 8423010, 10107612, 10596690, 10949913, 12166570, 12634515, 14599884, 16846020, 18249855, 21193380, 21899826, 24333140, 25269030, 32849739, 36499710, 43799652, 50538060, 54749565, 65699478, 72999420, 109499130, 131398956, 164248695, 218998260, 328497390, 656994780]

約数ペア:

[(1, 656994780), (2, 328497390), (3, 218998260), (4, 164248695), (5, 131398956), (6, 109499130), (9, 72999420), (10, 65699478), (12, 54749565), (13, 50538060), (15, 43799652), (18, 36499710), (20, 32849739), (26, 25269030), (27, 24333140), (30, 21899826), (31, 21193380), (36, 18249855), (39, 16846020), (45, 14599884), (52, 12634515), (54, 12166570), (60, 10949913), (62, 10596690), (65, 10107612), (78, 8423010), (90, 7299942), (93, 7064460), (108, 6083285), (117, 5615340), (124, 5298345), (130, 5053806), (135, 4866628), (155, 4238676), (156, 4211505), (180, 3649971), (186, 3532230), (195, 3369204), (234, 2807670), (260, 2526903), (270, 2433314), (279, 2354820), (310, 2119338), (351, 1871780), (372, 1766115), (390, 1684602), (403, 1630260), (465, 1412892), (468, 1403835), (540, 1216657), (558, 1177410), (585, 1123068), (620, 1059669), (702, 935890), (780, 842301), (806, 815130), (837, 784940), (930, 706446), (1116, 588705), (1170, 561534), (1209, 543420), (1395, 470964), (1404, 467945), (1612, 407565), (1674, 392470), (1755, 374356), (1860, 353223), (2015, 326052), (2340, 280767), (2418, 271710), (2790, 235482), (3019, 217620), (3348, 196235), (3510, 187178), (3627, 181140), (4030, 163026), (4185, 156988), (4836, 135855), (5580, 117741), (6038, 108810), (6045, 108684), (7020, 93589), (7254, 90570), (8060, 81513), (8370, 78494), (9057, 72540), (10881, 60380), (12076, 54405), (12090, 54342), (14508, 45285), (15095, 43524), (16740, 39247), (18114, 36270), (18135, 36228), (21762, 30190), (24180, 27171)]