18642480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 58255200

約数和(自身を除く): 39612720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 449, 519, 692, 865, 898, 1038, 1347, 1384, 1730, 1796, 2076, 2245, 2595, 2694, 2768, 3460, 3592, 4152, 4490, 5190, 5388, 6735, 6920, 7184, 8304, 8980, 10380, 10776, 13470, 13840, 17960, 20760, 21552, 26940, 35920, 41520, 53880, 77677, 107760, 155354, 233031, 310708, 388385, 466062, 621416, 776770, 932124, 1165155, 1242832, 1553540, 1864248, 2330310, 3107080, 3728496, 4660620, 6214160, 9321240, 18642480]

約数ペア:

[(1, 18642480), (2, 9321240), (3, 6214160), (4, 4660620), (5, 3728496), (6, 3107080), (8, 2330310), (10, 1864248), (12, 1553540), (15, 1242832), (16, 1165155), (20, 932124), (24, 776770), (30, 621416), (40, 466062), (48, 388385), (60, 310708), (80, 233031), (120, 155354), (173, 107760), (240, 77677), (346, 53880), (449, 41520), (519, 35920), (692, 26940), (865, 21552), (898, 20760), (1038, 17960), (1347, 13840), (1384, 13470), (1730, 10776), (1796, 10380), (2076, 8980), (2245, 8304), (2595, 7184), (2694, 6920), (2768, 6735), (3460, 5388), (3592, 5190), (4152, 4490)]