240517920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 778522752

約数和(自身を除く): 538004832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 271, 344, 430, 480, 516, 542, 645, 688, 813, 860, 1032, 1084, 1290, 1355, 1376, 1626, 1720, 1849, 2064, 2168, 2580, 2710, 3252, 3440, 3698, 4065, 4128, 4336, 5160, 5420, 5547, 6504, 6880, 7396, 8130, 8672, 9245, 10320, 10840, 11094, 11653, 13008, 14792, 16260, 18490, 20640, 21680, 22188, 23306, 26016, 27735, 29584, 32520, 34959, 36980, 43360, 44376, 46612, 55470, 58265, 59168, 65040, 69918, 73960, 88752, 93224, 110940, 116530, 130080, 139836, 147920, 174795, 177504, 186448, 221880, 233060, 279672, 295840, 349590, 372896, 443760, 466120, 501079, 559344, 699180, 887520, 932240, 1002158, 1118688, 1398360, 1503237, 1864480, 2004316, 2505395, 2796720, 3006474, 4008632, 5010790, 5593440, 6012948, 7516185, 8017264, 10021580, 12025896, 15032370, 16034528, 20043160, 24051792, 30064740, 40086320, 48103584, 60129480, 80172640, 120258960, 240517920]

約数ペア:

[(1, 240517920), (2, 120258960), (3, 80172640), (4, 60129480), (5, 48103584), (6, 40086320), (8, 30064740), (10, 24051792), (12, 20043160), (15, 16034528), (16, 15032370), (20, 12025896), (24, 10021580), (30, 8017264), (32, 7516185), (40, 6012948), (43, 5593440), (48, 5010790), (60, 4008632), (80, 3006474), (86, 2796720), (96, 2505395), (120, 2004316), (129, 1864480), (160, 1503237), (172, 1398360), (215, 1118688), (240, 1002158), (258, 932240), (271, 887520), (344, 699180), (430, 559344), (480, 501079), (516, 466120), (542, 443760), (645, 372896), (688, 349590), (813, 295840), (860, 279672), (1032, 233060), (1084, 221880), (1290, 186448), (1355, 177504), (1376, 174795), (1626, 147920), (1720, 139836), (1849, 130080), (2064, 116530), (2168, 110940), (2580, 93224), (2710, 88752), (3252, 73960), (3440, 69918), (3698, 65040), (4065, 59168), (4128, 58265), (4336, 55470), (5160, 46612), (5420, 44376), (5547, 43360), (6504, 36980), (6880, 34959), (7396, 32520), (8130, 29584), (8672, 27735), (9245, 26016), (10320, 23306), (10840, 22188), (11094, 21680), (11653, 20640), (13008, 18490), (14792, 16260)]