137439960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 128

約数和(自身を含む): 475200000

約数和(自身を除く): 337760040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1249, 1310, 1572, 1834, 1965, 2498, 2620, 2751, 3144, 3668, 3747, 3930, 4585, 4996, 5240, 5502, 6245, 7336, 7494, 7860, 8743, 9170, 9992, 11004, 12490, 13755, 14988, 15720, 17486, 18340, 18735, 22008, 24980, 26229, 27510, 29976, 34972, 36680, 37470, 43715, 49960, 52458, 55020, 69944, 74940, 87430, 104916, 110040, 131145, 149880, 163619, 174860, 209832, 262290, 327238, 349720, 490857, 524580, 654476, 818095, 981714, 1049160, 1145333, 1308952, 1636190, 1963428, 2290666, 2454285, 3272380, 3435999, 3926856, 4581332, 4908570, 5726665, 6544760, 6871998, 9162664, 9817140, 11453330, 13743996, 17179995, 19634280, 22906660, 27487992, 34359990, 45813320, 68719980, 137439960]

約数ペア:

[(1, 137439960), (2, 68719980), (3, 45813320), (4, 34359990), (5, 27487992), (6, 22906660), (7, 19634280), (8, 17179995), (10, 13743996), (12, 11453330), (14, 9817140), (15, 9162664), (20, 6871998), (21, 6544760), (24, 5726665), (28, 4908570), (30, 4581332), (35, 3926856), (40, 3435999), (42, 3272380), (56, 2454285), (60, 2290666), (70, 1963428), (84, 1636190), (105, 1308952), (120, 1145333), (131, 1049160), (140, 981714), (168, 818095), (210, 654476), (262, 524580), (280, 490857), (393, 349720), (420, 327238), (524, 262290), (655, 209832), (786, 174860), (840, 163619), (917, 149880), (1048, 131145), (1249, 110040), (1310, 104916), (1572, 87430), (1834, 74940), (1965, 69944), (2498, 55020), (2620, 52458), (2751, 49960), (3144, 43715), (3668, 37470), (3747, 36680), (3930, 34972), (4585, 29976), (4996, 27510), (5240, 26229), (5502, 24980), (6245, 22008), (7336, 18735), (7494, 18340), (7860, 17486), (8743, 15720), (9170, 14988), (9992, 13755), (11004, 12490)]