428723160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 1318680000

約数和(自身を除く): 889956840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 109, 120, 146, 218, 219, 292, 327, 365, 436, 438, 449, 545, 584, 654, 730, 872, 876, 898, 1090, 1095, 1308, 1347, 1460, 1635, 1752, 1796, 2180, 2190, 2245, 2616, 2694, 2920, 3270, 3592, 4360, 4380, 4490, 5388, 6540, 6735, 7957, 8760, 8980, 10776, 13080, 13470, 15914, 17960, 23871, 26940, 31828, 32777, 39785, 47742, 48941, 53880, 63656, 65554, 79570, 95484, 97882, 98331, 119355, 131108, 146823, 159140, 163885, 190968, 195764, 196662, 238710, 244705, 262216, 293646, 318280, 327770, 391528, 393324, 477420, 489410, 491655, 587292, 655540, 734115, 786648, 954840, 978820, 983310, 1174584, 1311080, 1468230, 1957640, 1966620, 2936460, 3572693, 3933240, 5872920, 7145386, 10718079, 14290772, 17863465, 21436158, 28581544, 35726930, 42872316, 53590395, 71453860, 85744632, 107180790, 142907720, 214361580, 428723160]

約数ペア:

[(1, 428723160), (2, 214361580), (3, 142907720), (4, 107180790), (5, 85744632), (6, 71453860), (8, 53590395), (10, 42872316), (12, 35726930), (15, 28581544), (20, 21436158), (24, 17863465), (30, 14290772), (40, 10718079), (60, 7145386), (73, 5872920), (109, 3933240), (120, 3572693), (146, 2936460), (218, 1966620), (219, 1957640), (292, 1468230), (327, 1311080), (365, 1174584), (436, 983310), (438, 978820), (449, 954840), (545, 786648), (584, 734115), (654, 655540), (730, 587292), (872, 491655), (876, 489410), (898, 477420), (1090, 393324), (1095, 391528), (1308, 327770), (1347, 318280), (1460, 293646), (1635, 262216), (1752, 244705), (1796, 238710), (2180, 196662), (2190, 195764), (2245, 190968), (2616, 163885), (2694, 159140), (2920, 146823), (3270, 131108), (3592, 119355), (4360, 98331), (4380, 97882), (4490, 95484), (5388, 79570), (6540, 65554), (6735, 63656), (7957, 53880), (8760, 48941), (8980, 47742), (10776, 39785), (13080, 32777), (13470, 31828), (15914, 26940), (17960, 23871)]