30814140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 102961152

約数和(自身を除く): 72147012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 223, 235, 245, 282, 294, 329, 420, 446, 470, 490, 564, 588, 658, 669, 705, 735, 892, 940, 980, 987, 1115, 1316, 1338, 1410, 1470, 1561, 1645, 1974, 2230, 2303, 2676, 2820, 2940, 3122, 3290, 3345, 3948, 4460, 4606, 4683, 4935, 6244, 6580, 6690, 6909, 7805, 9212, 9366, 9870, 10481, 10927, 11515, 13380, 13818, 15610, 18732, 19740, 20962, 21854, 23030, 23415, 27636, 31220, 31443, 32781, 34545, 41924, 43708, 46060, 46830, 52405, 54635, 62886, 65562, 69090, 73367, 93660, 104810, 109270, 125772, 131124, 138180, 146734, 157215, 163905, 209620, 218540, 220101, 293468, 314430, 327810, 366835, 440202, 513569, 628860, 655620, 733670, 880404, 1027138, 1100505, 1467340, 1540707, 2054276, 2201010, 2567845, 3081414, 4402020, 5135690, 6162828, 7703535, 10271380, 15407070, 30814140]

約数ペア:

[(1, 30814140), (2, 15407070), (3, 10271380), (4, 7703535), (5, 6162828), (6, 5135690), (7, 4402020), (10, 3081414), (12, 2567845), (14, 2201010), (15, 2054276), (20, 1540707), (21, 1467340), (28, 1100505), (30, 1027138), (35, 880404), (42, 733670), (47, 655620), (49, 628860), (60, 513569), (70, 440202), (84, 366835), (94, 327810), (98, 314430), (105, 293468), (140, 220101), (141, 218540), (147, 209620), (188, 163905), (196, 157215), (210, 146734), (223, 138180), (235, 131124), (245, 125772), (282, 109270), (294, 104810), (329, 93660), (420, 73367), (446, 69090), (470, 65562), (490, 62886), (564, 54635), (588, 52405), (658, 46830), (669, 46060), (705, 43708), (735, 41924), (892, 34545), (940, 32781), (980, 31443), (987, 31220), (1115, 27636), (1316, 23415), (1338, 23030), (1410, 21854), (1470, 20962), (1561, 19740), (1645, 18732), (1974, 15610), (2230, 13818), (2303, 13380), (2676, 11515), (2820, 10927), (2940, 10481), (3122, 9870), (3290, 9366), (3345, 9212), (3948, 7805), (4460, 6909), (4606, 6690), (4683, 6580), (4935, 6244)]