320820840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5981}}^1$

素因数の和:6147

約数の個数: 96

約数和(自身を含む): 1049841000

約数和(自身を除く): 729020160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 298, 360, 447, 596, 745, 894, 1192, 1341, 1490, 1788, 2235, 2682, 2980, 3576, 4470, 5364, 5960, 5981, 6705, 8940, 10728, 11962, 13410, 17880, 17943, 23924, 26820, 29905, 35886, 47848, 53640, 53829, 59810, 71772, 89715, 107658, 119620, 143544, 179430, 215316, 239240, 269145, 358860, 430632, 538290, 717720, 891169, 1076580, 1782338, 2153160, 2673507, 3564676, 4455845, 5347014, 7129352, 8020521, 8911690, 10694028, 13367535, 16041042, 17823380, 21388056, 26735070, 32082084, 35646760, 40102605, 53470140, 64164168, 80205210, 106940280, 160410420, 320820840]

約数ペア:

[(1, 320820840), (2, 160410420), (3, 106940280), (4, 80205210), (5, 64164168), (6, 53470140), (8, 40102605), (9, 35646760), (10, 32082084), (12, 26735070), (15, 21388056), (18, 17823380), (20, 16041042), (24, 13367535), (30, 10694028), (36, 8911690), (40, 8020521), (45, 7129352), (60, 5347014), (72, 4455845), (90, 3564676), (120, 2673507), (149, 2153160), (180, 1782338), (298, 1076580), (360, 891169), (447, 717720), (596, 538290), (745, 430632), (894, 358860), (1192, 269145), (1341, 239240), (1490, 215316), (1788, 179430), (2235, 143544), (2682, 119620), (2980, 107658), (3576, 89715), (4470, 71772), (5364, 59810), (5960, 53829), (5981, 53640), (6705, 47848), (8940, 35886), (10728, 29905), (11962, 26820), (13410, 23924), (17880, 17943)]