81180630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 233342208

約数和(自身を除く): 152161578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 53, 54, 61, 62, 81, 90, 93, 106, 122, 135, 155, 159, 162, 183, 186, 265, 270, 279, 305, 310, 318, 366, 405, 465, 477, 530, 549, 558, 610, 795, 810, 837, 915, 930, 954, 1098, 1395, 1431, 1590, 1643, 1647, 1674, 1830, 1891, 2385, 2511, 2745, 2790, 2862, 3233, 3286, 3294, 3782, 4185, 4293, 4770, 4929, 4941, 5022, 5490, 5673, 6466, 7155, 8215, 8235, 8370, 8586, 9455, 9699, 9858, 9882, 11346, 12555, 14310, 14787, 16165, 16430, 16470, 17019, 18910, 19398, 21465, 24645, 24705, 25110, 28365, 29097, 29574, 32330, 34038, 42930, 44361, 48495, 49290, 49410, 51057, 56730, 58194, 73935, 85095, 87291, 88722, 96990, 100223, 102114, 133083, 145485, 147870, 153171, 170190, 174582, 200446, 221805, 255285, 261873, 266166, 290970, 300669, 306342, 436455, 443610, 501115, 510570, 523746, 601338, 665415, 765855, 872910, 902007, 1002230, 1309365, 1330830, 1503345, 1531710, 1804014, 2618730, 2706021, 3006690, 4510035, 5412042, 8118063, 9020070, 13530105, 16236126, 27060210, 40590315, 81180630]

約数ペア:

[(1, 81180630), (2, 40590315), (3, 27060210), (5, 16236126), (6, 13530105), (9, 9020070), (10, 8118063), (15, 5412042), (18, 4510035), (27, 3006690), (30, 2706021), (31, 2618730), (45, 1804014), (53, 1531710), (54, 1503345), (61, 1330830), (62, 1309365), (81, 1002230), (90, 902007), (93, 872910), (106, 765855), (122, 665415), (135, 601338), (155, 523746), (159, 510570), (162, 501115), (183, 443610), (186, 436455), (265, 306342), (270, 300669), (279, 290970), (305, 266166), (310, 261873), (318, 255285), (366, 221805), (405, 200446), (465, 174582), (477, 170190), (530, 153171), (549, 147870), (558, 145485), (610, 133083), (795, 102114), (810, 100223), (837, 96990), (915, 88722), (930, 87291), (954, 85095), (1098, 73935), (1395, 58194), (1431, 56730), (1590, 51057), (1643, 49410), (1647, 49290), (1674, 48495), (1830, 44361), (1891, 42930), (2385, 34038), (2511, 32330), (2745, 29574), (2790, 29097), (2862, 28365), (3233, 25110), (3286, 24705), (3294, 24645), (3782, 21465), (4185, 19398), (4293, 18910), (4770, 17019), (4929, 16470), (4941, 16430), (5022, 16165), (5490, 14787), (5673, 14310), (6466, 12555), (7155, 11346), (8215, 9882), (8235, 9858), (8370, 9699), (8586, 9455)]