320738640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18307}}^1$

素因数の和:18396

約数の個数: 80

約数和(自身を含む): 1007965248

約数和(自身を除く): 687226608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 18307, 36614, 54921, 73228, 91535, 109842, 146456, 183070, 219684, 274605, 292912, 366140, 439368, 549210, 732280, 878736, 1098420, 1336411, 1464560, 2196840, 2672822, 4009233, 4393680, 5345644, 6682055, 8018466, 10691288, 13364110, 16036932, 20046165, 21382576, 26728220, 32073864, 40092330, 53456440, 64147728, 80184660, 106912880, 160369320, 320738640]

約数ペア:

[(1, 320738640), (2, 160369320), (3, 106912880), (4, 80184660), (5, 64147728), (6, 53456440), (8, 40092330), (10, 32073864), (12, 26728220), (15, 21382576), (16, 20046165), (20, 16036932), (24, 13364110), (30, 10691288), (40, 8018466), (48, 6682055), (60, 5345644), (73, 4393680), (80, 4009233), (120, 2672822), (146, 2196840), (219, 1464560), (240, 1336411), (292, 1098420), (365, 878736), (438, 732280), (584, 549210), (730, 439368), (876, 366140), (1095, 292912), (1168, 274605), (1460, 219684), (1752, 183070), (2190, 146456), (2920, 109842), (3504, 91535), (4380, 73228), (5840, 54921), (8760, 36614), (17520, 18307)]