209536080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 704954880

約数和(自身を除く): 495418800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 239, 240, 260, 281, 312, 390, 478, 520, 562, 624, 717, 780, 843, 956, 1040, 1124, 1195, 1405, 1434, 1560, 1686, 1912, 2248, 2390, 2810, 2868, 3107, 3120, 3372, 3585, 3653, 3824, 4215, 4496, 4780, 5620, 5736, 6214, 6744, 7170, 7306, 8430, 9321, 9560, 10959, 11240, 11472, 12428, 13488, 14340, 14612, 15535, 16860, 18265, 18642, 19120, 21918, 22480, 24856, 28680, 29224, 31070, 33720, 36530, 37284, 43836, 46605, 49712, 54795, 57360, 58448, 62140, 67159, 67440, 73060, 74568, 87672, 93210, 109590, 124280, 134318, 146120, 149136, 175344, 186420, 201477, 219180, 248560, 268636, 292240, 335795, 372840, 402954, 438360, 537272, 671590, 745680, 805908, 873067, 876720, 1007385, 1074544, 1343180, 1611816, 1746134, 2014770, 2619201, 2686360, 3223632, 3492268, 4029540, 4365335, 5238402, 5372720, 6984536, 8059080, 8730670, 10476804, 13096005, 13969072, 16118160, 17461340, 20953608, 26192010, 34922680, 41907216, 52384020, 69845360, 104768040, 209536080]

約数ペア:

[(1, 209536080), (2, 104768040), (3, 69845360), (4, 52384020), (5, 41907216), (6, 34922680), (8, 26192010), (10, 20953608), (12, 17461340), (13, 16118160), (15, 13969072), (16, 13096005), (20, 10476804), (24, 8730670), (26, 8059080), (30, 6984536), (39, 5372720), (40, 5238402), (48, 4365335), (52, 4029540), (60, 3492268), (65, 3223632), (78, 2686360), (80, 2619201), (104, 2014770), (120, 1746134), (130, 1611816), (156, 1343180), (195, 1074544), (208, 1007385), (239, 876720), (240, 873067), (260, 805908), (281, 745680), (312, 671590), (390, 537272), (478, 438360), (520, 402954), (562, 372840), (624, 335795), (717, 292240), (780, 268636), (843, 248560), (956, 219180), (1040, 201477), (1124, 186420), (1195, 175344), (1405, 149136), (1434, 146120), (1560, 134318), (1686, 124280), (1912, 109590), (2248, 93210), (2390, 87672), (2810, 74568), (2868, 73060), (3107, 67440), (3120, 67159), (3372, 62140), (3585, 58448), (3653, 57360), (3824, 54795), (4215, 49712), (4496, 46605), (4780, 43836), (5620, 37284), (5736, 36530), (6214, 33720), (6744, 31070), (7170, 29224), (7306, 28680), (8430, 24856), (9321, 22480), (9560, 21918), (10959, 19120), (11240, 18642), (11472, 18265), (12428, 16860), (13488, 15535), (14340, 14612)]