1318870440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51599}}^1$

素因数の和:51687

約数の個数: 96

約数和(自身を含む): 4346784000

約数和(自身を除く): 3027913560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 12780, 25560, 51599, 103198, 154797, 206396, 257995, 309594, 412792, 464391, 515990, 619188, 773985, 928782, 1031980, 1238376, 1547970, 1857564, 2063960, 2321955, 3095940, 3663529, 3715128, 4643910, 6191880, 7327058, 9287820, 10990587, 14654116, 18317645, 18575640, 21981174, 29308232, 32971761, 36635290, 43962348, 54952935, 65943522, 73270580, 87924696, 109905870, 131887044, 146541160, 164858805, 219811740, 263774088, 329717610, 439623480, 659435220, 1318870440]

約数ペア:

[(1, 1318870440), (2, 659435220), (3, 439623480), (4, 329717610), (5, 263774088), (6, 219811740), (8, 164858805), (9, 146541160), (10, 131887044), (12, 109905870), (15, 87924696), (18, 73270580), (20, 65943522), (24, 54952935), (30, 43962348), (36, 36635290), (40, 32971761), (45, 29308232), (60, 21981174), (71, 18575640), (72, 18317645), (90, 14654116), (120, 10990587), (142, 9287820), (180, 7327058), (213, 6191880), (284, 4643910), (355, 3715128), (360, 3663529), (426, 3095940), (568, 2321955), (639, 2063960), (710, 1857564), (852, 1547970), (1065, 1238376), (1278, 1031980), (1420, 928782), (1704, 773985), (2130, 619188), (2556, 515990), (2840, 464391), (3195, 412792), (4260, 309594), (5112, 257995), (6390, 206396), (8520, 154797), (12780, 103198), (25560, 51599)]