305492720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:547

約数の個数: 160

約数和(自身を含む): 833571648

約数和(自身を除く): 528078928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 130, 136, 148, 170, 185, 208, 221, 260, 272, 296, 340, 370, 442, 467, 481, 520, 592, 629, 680, 740, 884, 934, 962, 1040, 1105, 1258, 1360, 1480, 1768, 1868, 1924, 2210, 2335, 2405, 2516, 2960, 3145, 3536, 3736, 3848, 4420, 4670, 4810, 5032, 6071, 6290, 7472, 7696, 7939, 8177, 8840, 9340, 9620, 10064, 12142, 12580, 15878, 16354, 17279, 17680, 18680, 19240, 24284, 25160, 30355, 31756, 32708, 34558, 37360, 38480, 39695, 40885, 48568, 50320, 60710, 63512, 65416, 69116, 79390, 81770, 86395, 97136, 103207, 121420, 127024, 130832, 138232, 158780, 163540, 172790, 206414, 224627, 242840, 276464, 293743, 317560, 327080, 345580, 412828, 449254, 485680, 516035, 587486, 635120, 654160, 691160, 825656, 898508, 1032070, 1123135, 1174972, 1382320, 1468715, 1651312, 1797016, 2064140, 2246270, 2349944, 2937430, 3594032, 3818659, 4128280, 4492540, 4699888, 5874860, 7637318, 8256560, 8985080, 11749720, 15274636, 17970160, 19093295, 23499440, 30549272, 38186590, 61098544, 76373180, 152746360, 305492720]

約数ペア:

[(1, 305492720), (2, 152746360), (4, 76373180), (5, 61098544), (8, 38186590), (10, 30549272), (13, 23499440), (16, 19093295), (17, 17970160), (20, 15274636), (26, 11749720), (34, 8985080), (37, 8256560), (40, 7637318), (52, 5874860), (65, 4699888), (68, 4492540), (74, 4128280), (80, 3818659), (85, 3594032), (104, 2937430), (130, 2349944), (136, 2246270), (148, 2064140), (170, 1797016), (185, 1651312), (208, 1468715), (221, 1382320), (260, 1174972), (272, 1123135), (296, 1032070), (340, 898508), (370, 825656), (442, 691160), (467, 654160), (481, 635120), (520, 587486), (592, 516035), (629, 485680), (680, 449254), (740, 412828), (884, 345580), (934, 327080), (962, 317560), (1040, 293743), (1105, 276464), (1258, 242840), (1360, 224627), (1480, 206414), (1768, 172790), (1868, 163540), (1924, 158780), (2210, 138232), (2335, 130832), (2405, 127024), (2516, 121420), (2960, 103207), (3145, 97136), (3536, 86395), (3736, 81770), (3848, 79390), (4420, 69116), (4670, 65416), (4810, 63512), (5032, 60710), (6071, 50320), (6290, 48568), (7472, 40885), (7696, 39695), (7939, 38480), (8177, 37360), (8840, 34558), (9340, 32708), (9620, 31756), (10064, 30355), (12142, 25160), (12580, 24284), (15878, 19240), (16354, 18680), (17279, 17680)]