80430480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 180

約数和(自身を含む): 292931028

約数和(自身を除く): 212500548

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 661, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1322, 1352, 1521, 1560, 1690, 1872, 1983, 2028, 2340, 2535, 2644, 2704, 3042, 3120, 3305, 3380, 3966, 4056, 4680, 5070, 5288, 5949, 6084, 6610, 6760, 7605, 7932, 8112, 8593, 9360, 9915, 10140, 10576, 11898, 12168, 13220, 13520, 15210, 15864, 17186, 19830, 20280, 23796, 24336, 25779, 26440, 29745, 30420, 31728, 34372, 39660, 40560, 42965, 47592, 51558, 52880, 59490, 60840, 68744, 77337, 79320, 85930, 95184, 103116, 111709, 118980, 121680, 128895, 137488, 154674, 158640, 171860, 206232, 223418, 237960, 257790, 309348, 335127, 343720, 386685, 412464, 446836, 475920, 515580, 558545, 618696, 670254, 687440, 773370, 893672, 1005381, 1031160, 1117090, 1237392, 1340508, 1546740, 1675635, 1787344, 2010762, 2062320, 2234180, 2681016, 3093480, 3351270, 4021524, 4468360, 5026905, 5362032, 6186960, 6702540, 8043048, 8936720, 10053810, 13405080, 16086096, 20107620, 26810160, 40215240, 80430480]

約数ペア:

[(1, 80430480), (2, 40215240), (3, 26810160), (4, 20107620), (5, 16086096), (6, 13405080), (8, 10053810), (9, 8936720), (10, 8043048), (12, 6702540), (13, 6186960), (15, 5362032), (16, 5026905), (18, 4468360), (20, 4021524), (24, 3351270), (26, 3093480), (30, 2681016), (36, 2234180), (39, 2062320), (40, 2010762), (45, 1787344), (48, 1675635), (52, 1546740), (60, 1340508), (65, 1237392), (72, 1117090), (78, 1031160), (80, 1005381), (90, 893672), (104, 773370), (117, 687440), (120, 670254), (130, 618696), (144, 558545), (156, 515580), (169, 475920), (180, 446836), (195, 412464), (208, 386685), (234, 343720), (240, 335127), (260, 309348), (312, 257790), (338, 237960), (360, 223418), (390, 206232), (468, 171860), (507, 158640), (520, 154674), (585, 137488), (624, 128895), (661, 121680), (676, 118980), (720, 111709), (780, 103116), (845, 95184), (936, 85930), (1014, 79320), (1040, 77337), (1170, 68744), (1322, 60840), (1352, 59490), (1521, 52880), (1560, 51558), (1690, 47592), (1872, 42965), (1983, 40560), (2028, 39660), (2340, 34372), (2535, 31728), (2644, 30420), (2704, 29745), (3042, 26440), (3120, 25779), (3305, 24336), (3380, 23796), (3966, 20280), (4056, 19830), (4680, 17186), (5070, 15864), (5288, 15210), (5949, 13520), (6084, 13220), (6610, 12168), (6760, 11898), (7605, 10576), (7932, 10140), (8112, 9915), (8593, 9360)]