18796560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 62126976

約数和(自身を除く): 43330416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 271, 272, 289, 340, 408, 510, 542, 578, 680, 813, 816, 867, 1020, 1084, 1156, 1355, 1360, 1445, 1626, 1734, 2040, 2168, 2312, 2710, 2890, 3252, 3468, 4065, 4080, 4335, 4336, 4607, 4624, 5420, 5780, 6504, 6936, 8130, 8670, 9214, 10840, 11560, 13008, 13821, 13872, 16260, 17340, 18428, 21680, 23035, 23120, 27642, 32520, 34680, 36856, 46070, 55284, 65040, 69105, 69360, 73712, 78319, 92140, 110568, 138210, 156638, 184280, 221136, 234957, 276420, 313276, 368560, 391595, 469914, 552840, 626552, 783190, 939828, 1105680, 1174785, 1253104, 1566380, 1879656, 2349570, 3132760, 3759312, 4699140, 6265520, 9398280, 18796560]

約数ペア:

[(1, 18796560), (2, 9398280), (3, 6265520), (4, 4699140), (5, 3759312), (6, 3132760), (8, 2349570), (10, 1879656), (12, 1566380), (15, 1253104), (16, 1174785), (17, 1105680), (20, 939828), (24, 783190), (30, 626552), (34, 552840), (40, 469914), (48, 391595), (51, 368560), (60, 313276), (68, 276420), (80, 234957), (85, 221136), (102, 184280), (120, 156638), (136, 138210), (170, 110568), (204, 92140), (240, 78319), (255, 73712), (271, 69360), (272, 69105), (289, 65040), (340, 55284), (408, 46070), (510, 36856), (542, 34680), (578, 32520), (680, 27642), (813, 23120), (816, 23035), (867, 21680), (1020, 18428), (1084, 17340), (1156, 16260), (1355, 13872), (1360, 13821), (1445, 13008), (1626, 11560), (1734, 10840), (2040, 9214), (2168, 8670), (2312, 8130), (2710, 6936), (2890, 6504), (3252, 5780), (3468, 5420), (4065, 4624), (4080, 4607), (4335, 4336)]