128202120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18743}}^1$

素因数の和:18779

約数の個数: 96

約数和(自身を含む): 438609600

約数和(自身を除く): 310407480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 18743, 37486, 56229, 74972, 93715, 112458, 149944, 168687, 187430, 224916, 281145, 337374, 356117, 374860, 449832, 562290, 674748, 712234, 749720, 843435, 1068351, 1124580, 1349496, 1424468, 1686870, 1780585, 2136702, 2249160, 2848936, 3205053, 3373740, 3561170, 4273404, 5341755, 6410106, 6747480, 7122340, 8546808, 10683510, 12820212, 14244680, 16025265, 21367020, 25640424, 32050530, 42734040, 64101060, 128202120]

約数ペア:

[(1, 128202120), (2, 64101060), (3, 42734040), (4, 32050530), (5, 25640424), (6, 21367020), (8, 16025265), (9, 14244680), (10, 12820212), (12, 10683510), (15, 8546808), (18, 7122340), (19, 6747480), (20, 6410106), (24, 5341755), (30, 4273404), (36, 3561170), (38, 3373740), (40, 3205053), (45, 2848936), (57, 2249160), (60, 2136702), (72, 1780585), (76, 1686870), (90, 1424468), (95, 1349496), (114, 1124580), (120, 1068351), (152, 843435), (171, 749720), (180, 712234), (190, 674748), (228, 562290), (285, 449832), (342, 374860), (360, 356117), (380, 337374), (456, 281145), (570, 224916), (684, 187430), (760, 168687), (855, 149944), (1140, 112458), (1368, 93715), (1710, 74972), (2280, 56229), (3420, 37486), (6840, 18743)]