19554720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40739}}^1$

素因数の和:40757

約数の個数: 48

約数和(自身を含む): 61598880

約数和(自身を除く): 42044160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40739, 81478, 122217, 162956, 203695, 244434, 325912, 407390, 488868, 611085, 651824, 814780, 977736, 1222170, 1303648, 1629560, 1955472, 2444340, 3259120, 3910944, 4888680, 6518240, 9777360, 19554720]

約数ペア:

[(1, 19554720), (2, 9777360), (3, 6518240), (4, 4888680), (5, 3910944), (6, 3259120), (8, 2444340), (10, 1955472), (12, 1629560), (15, 1303648), (16, 1222170), (20, 977736), (24, 814780), (30, 651824), (32, 611085), (40, 488868), (48, 407390), (60, 325912), (80, 244434), (96, 203695), (120, 162956), (160, 122217), (240, 81478), (480, 40739)]