177337980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 565463808

約数和(自身を除く): 388125828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 122, 124, 155, 180, 183, 186, 244, 279, 305, 310, 366, 372, 465, 521, 549, 558, 610, 620, 732, 915, 930, 1042, 1098, 1116, 1220, 1395, 1563, 1830, 1860, 1891, 2084, 2196, 2605, 2745, 2790, 3126, 3660, 3782, 4689, 5210, 5490, 5580, 5673, 6252, 7564, 7815, 9378, 9455, 10420, 10980, 11346, 15630, 16151, 17019, 18756, 18910, 22692, 23445, 28365, 31260, 31781, 32302, 34038, 37820, 46890, 48453, 56730, 63562, 64604, 68076, 80755, 85095, 93780, 95343, 96906, 113460, 127124, 145359, 158905, 161510, 170190, 190686, 193812, 242265, 286029, 290718, 317810, 323020, 340380, 381372, 476715, 484530, 572058, 581436, 635620, 726795, 953430, 969060, 985211, 1144116, 1430145, 1453590, 1906860, 1970422, 2860290, 2907180, 2955633, 3940844, 4926055, 5720580, 5911266, 8866899, 9852110, 11822532, 14778165, 17733798, 19704220, 29556330, 35467596, 44334495, 59112660, 88668990, 177337980]

約数ペア:

[(1, 177337980), (2, 88668990), (3, 59112660), (4, 44334495), (5, 35467596), (6, 29556330), (9, 19704220), (10, 17733798), (12, 14778165), (15, 11822532), (18, 9852110), (20, 8866899), (30, 5911266), (31, 5720580), (36, 4926055), (45, 3940844), (60, 2955633), (61, 2907180), (62, 2860290), (90, 1970422), (93, 1906860), (122, 1453590), (124, 1430145), (155, 1144116), (180, 985211), (183, 969060), (186, 953430), (244, 726795), (279, 635620), (305, 581436), (310, 572058), (366, 484530), (372, 476715), (465, 381372), (521, 340380), (549, 323020), (558, 317810), (610, 290718), (620, 286029), (732, 242265), (915, 193812), (930, 190686), (1042, 170190), (1098, 161510), (1116, 158905), (1220, 145359), (1395, 127124), (1563, 113460), (1830, 96906), (1860, 95343), (1891, 93780), (2084, 85095), (2196, 80755), (2605, 68076), (2745, 64604), (2790, 63562), (3126, 56730), (3660, 48453), (3782, 46890), (4689, 37820), (5210, 34038), (5490, 32302), (5580, 31781), (5673, 31260), (6252, 28365), (7564, 23445), (7815, 22692), (9378, 18910), (9455, 18756), (10420, 17019), (10980, 16151), (11346, 15630)]