78654720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20483}}^1$

素因数の和:20507

約数の個数: 72

約数和(自身を含む): 251215776

約数和(自身を除く): 172561056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20483, 40966, 61449, 81932, 102415, 122898, 163864, 204830, 245796, 307245, 327728, 409660, 491592, 614490, 655456, 819320, 983184, 1228980, 1310912, 1638640, 1966368, 2457960, 2621824, 3277280, 3932736, 4915920, 5243648, 6554560, 7865472, 9831840, 13109120, 15730944, 19663680, 26218240, 39327360, 78654720]

約数ペア:

[(1, 78654720), (2, 39327360), (3, 26218240), (4, 19663680), (5, 15730944), (6, 13109120), (8, 9831840), (10, 7865472), (12, 6554560), (15, 5243648), (16, 4915920), (20, 3932736), (24, 3277280), (30, 2621824), (32, 2457960), (40, 1966368), (48, 1638640), (60, 1310912), (64, 1228980), (80, 983184), (96, 819320), (120, 655456), (128, 614490), (160, 491592), (192, 409660), (240, 327728), (256, 307245), (320, 245796), (384, 204830), (480, 163864), (640, 122898), (768, 102415), (960, 81932), (1280, 61449), (1920, 40966), (3840, 20483)]