27984840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17939}}^1$

素因数の和:17966

約数の個数: 64

約数和(自身を含む): 90417600

約数和(自身を除く): 62432760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 17939, 35878, 53817, 71756, 89695, 107634, 143512, 179390, 215268, 233207, 269085, 358780, 430536, 466414, 538170, 699621, 717560, 932828, 1076340, 1166035, 1399242, 1865656, 2152680, 2332070, 2798484, 3498105, 4664140, 5596968, 6996210, 9328280, 13992420, 27984840]

約数ペア:

[(1, 27984840), (2, 13992420), (3, 9328280), (4, 6996210), (5, 5596968), (6, 4664140), (8, 3498105), (10, 2798484), (12, 2332070), (13, 2152680), (15, 1865656), (20, 1399242), (24, 1166035), (26, 1076340), (30, 932828), (39, 717560), (40, 699621), (52, 538170), (60, 466414), (65, 430536), (78, 358780), (104, 269085), (120, 233207), (130, 215268), (156, 179390), (195, 143512), (260, 107634), (312, 89695), (390, 71756), (520, 53817), (780, 35878), (1560, 17939)]