317132920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 806682240

約数和(自身を除く): 489549320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 53, 65, 74, 104, 106, 130, 148, 185, 212, 260, 265, 296, 311, 370, 424, 481, 520, 530, 622, 689, 740, 962, 1060, 1244, 1378, 1480, 1555, 1924, 1961, 2120, 2405, 2488, 2756, 3110, 3445, 3848, 3922, 4043, 4810, 5512, 6220, 6890, 7844, 8086, 9620, 9805, 11507, 12440, 13780, 15688, 16172, 16483, 19240, 19610, 20215, 23014, 25493, 27560, 32344, 32966, 39220, 40430, 46028, 50986, 57535, 65932, 78440, 80860, 82415, 92056, 101972, 115070, 127465, 131864, 149591, 161720, 164830, 203944, 214279, 230140, 254930, 299182, 329660, 428558, 460280, 509860, 598364, 609871, 659320, 747955, 857116, 1019720, 1071395, 1196728, 1219742, 1495910, 1714232, 2142790, 2439484, 2991820, 3049355, 4285580, 4878968, 5983640, 6098710, 7928323, 8571160, 12197420, 15856646, 24394840, 31713292, 39641615, 63426584, 79283230, 158566460, 317132920]

約数ペア:

[(1, 317132920), (2, 158566460), (4, 79283230), (5, 63426584), (8, 39641615), (10, 31713292), (13, 24394840), (20, 15856646), (26, 12197420), (37, 8571160), (40, 7928323), (52, 6098710), (53, 5983640), (65, 4878968), (74, 4285580), (104, 3049355), (106, 2991820), (130, 2439484), (148, 2142790), (185, 1714232), (212, 1495910), (260, 1219742), (265, 1196728), (296, 1071395), (311, 1019720), (370, 857116), (424, 747955), (481, 659320), (520, 609871), (530, 598364), (622, 509860), (689, 460280), (740, 428558), (962, 329660), (1060, 299182), (1244, 254930), (1378, 230140), (1480, 214279), (1555, 203944), (1924, 164830), (1961, 161720), (2120, 149591), (2405, 131864), (2488, 127465), (2756, 115070), (3110, 101972), (3445, 92056), (3848, 82415), (3922, 80860), (4043, 78440), (4810, 65932), (5512, 57535), (6220, 50986), (6890, 46028), (7844, 40430), (8086, 39220), (9620, 32966), (9805, 32344), (11507, 27560), (12440, 25493), (13780, 23014), (15688, 20215), (16172, 19610), (16483, 19240)]