156942197740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1416

約数の個数: 144

約数和(自身を含む): 351831816000

約数和(自身を除く): 194889618260

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 199, 310, 370, 398, 620, 740, 796, 961, 995, 1109, 1147, 1922, 1990, 2218, 2294, 3844, 3980, 4436, 4588, 4805, 5545, 5735, 6169, 7363, 9610, 11090, 11470, 12338, 14726, 19220, 22180, 22940, 24676, 29452, 30845, 34379, 35557, 36815, 41033, 61690, 68758, 71114, 73630, 82066, 123380, 137516, 142228, 147260, 164132, 171895, 177785, 191239, 205165, 220691, 228253, 343790, 355570, 382478, 410330, 441382, 456506, 687580, 711140, 764956, 820660, 882764, 913012, 956195, 1065749, 1103455, 1141265, 1272023, 1912390, 2131498, 2206910, 2282530, 2544046, 3824780, 4262996, 4413820, 4565060, 5088092, 5328745, 6360115, 6841421, 7075843, 8165567, 10657490, 12720230, 13682842, 14151686, 16331134, 21314980, 25440460, 27365684, 28303372, 32662268, 34207105, 35379215, 39432713, 40827835, 68414210, 70758430, 78865426, 81655670, 136828420, 141516860, 157730852, 163311340, 197163565, 212084051, 253132577, 394327130, 424168102, 506265154, 788654260, 848336204, 1012530308, 1060420255, 1265662885, 2120840510, 2531325770, 4241681020, 5062651540, 7847109887, 15694219774, 31388439548, 39235549435, 78471098870, 156942197740]

約数ペア:

[(1, 156942197740), (2, 78471098870), (4, 39235549435), (5, 31388439548), (10, 15694219774), (20, 7847109887), (31, 5062651540), (37, 4241681020), (62, 2531325770), (74, 2120840510), (124, 1265662885), (148, 1060420255), (155, 1012530308), (185, 848336204), (199, 788654260), (310, 506265154), (370, 424168102), (398, 394327130), (620, 253132577), (740, 212084051), (796, 197163565), (961, 163311340), (995, 157730852), (1109, 141516860), (1147, 136828420), (1922, 81655670), (1990, 78865426), (2218, 70758430), (2294, 68414210), (3844, 40827835), (3980, 39432713), (4436, 35379215), (4588, 34207105), (4805, 32662268), (5545, 28303372), (5735, 27365684), (6169, 25440460), (7363, 21314980), (9610, 16331134), (11090, 14151686), (11470, 13682842), (12338, 12720230), (14726, 10657490), (19220, 8165567), (22180, 7075843), (22940, 6841421), (24676, 6360115), (29452, 5328745), (30845, 5088092), (34379, 4565060), (35557, 4413820), (36815, 4262996), (41033, 3824780), (61690, 2544046), (68758, 2282530), (71114, 2206910), (73630, 2131498), (82066, 1912390), (123380, 1272023), (137516, 1141265), (142228, 1103455), (147260, 1065749), (164132, 956195), (171895, 913012), (177785, 882764), (191239, 820660), (205165, 764956), (220691, 711140), (228253, 687580), (343790, 456506), (355570, 441382), (382478, 410330)]