20170178520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{146543}}^1$

素因数の和:146625

約数の個数: 128

約数和(自身を含む): 64151101440

約数和(自身を除く): 43980922920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 2220, 2294, 3441, 3720, 4440, 4588, 5735, 6882, 9176, 11470, 13764, 17205, 22940, 27528, 34410, 45880, 68820, 137640, 146543, 293086, 439629, 586172, 732715, 879258, 1172344, 1465430, 1758516, 2198145, 2930860, 3517032, 4396290, 4542833, 5422091, 5861720, 8792580, 9085666, 10844182, 13628499, 16266273, 17585160, 18171332, 21688364, 22714165, 27110455, 27256998, 32532546, 36342664, 43376728, 45428330, 54220910, 54513996, 65065092, 68142495, 81331365, 90856660, 108441820, 109027992, 130130184, 136284990, 162662730, 168084821, 181713320, 216883640, 272569980, 325325460, 336169642, 504254463, 545139960, 650650920, 672339284, 840424105, 1008508926, 1344678568, 1680848210, 2017017852, 2521272315, 3361696420, 4034035704, 5042544630, 6723392840, 10085089260, 20170178520]

約数ペア:

[(1, 20170178520), (2, 10085089260), (3, 6723392840), (4, 5042544630), (5, 4034035704), (6, 3361696420), (8, 2521272315), (10, 2017017852), (12, 1680848210), (15, 1344678568), (20, 1008508926), (24, 840424105), (30, 672339284), (31, 650650920), (37, 545139960), (40, 504254463), (60, 336169642), (62, 325325460), (74, 272569980), (93, 216883640), (111, 181713320), (120, 168084821), (124, 162662730), (148, 136284990), (155, 130130184), (185, 109027992), (186, 108441820), (222, 90856660), (248, 81331365), (296, 68142495), (310, 65065092), (370, 54513996), (372, 54220910), (444, 45428330), (465, 43376728), (555, 36342664), (620, 32532546), (740, 27256998), (744, 27110455), (888, 22714165), (930, 21688364), (1110, 18171332), (1147, 17585160), (1240, 16266273), (1480, 13628499), (1860, 10844182), (2220, 9085666), (2294, 8792580), (3441, 5861720), (3720, 5422091), (4440, 4542833), (4588, 4396290), (5735, 3517032), (6882, 2930860), (9176, 2198145), (11470, 1758516), (13764, 1465430), (17205, 1172344), (22940, 879258), (27528, 732715), (34410, 586172), (45880, 439629), (68820, 293086), (137640, 146543)]