18045840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4423}}^1$

素因数の和:4456

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 41200368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4423, 8846, 13269, 17692, 22115, 26538, 35384, 44230, 53076, 66345, 70768, 75191, 88460, 106152, 132690, 150382, 176920, 212304, 225573, 265380, 300764, 353840, 375955, 451146, 530760, 601528, 751910, 902292, 1061520, 1127865, 1203056, 1503820, 1804584, 2255730, 3007640, 3609168, 4511460, 6015280, 9022920, 18045840]

約数ペア:

[(1, 18045840), (2, 9022920), (3, 6015280), (4, 4511460), (5, 3609168), (6, 3007640), (8, 2255730), (10, 1804584), (12, 1503820), (15, 1203056), (16, 1127865), (17, 1061520), (20, 902292), (24, 751910), (30, 601528), (34, 530760), (40, 451146), (48, 375955), (51, 353840), (60, 300764), (68, 265380), (80, 225573), (85, 212304), (102, 176920), (120, 150382), (136, 132690), (170, 106152), (204, 88460), (240, 75191), (255, 70768), (272, 66345), (340, 53076), (408, 44230), (510, 35384), (680, 26538), (816, 22115), (1020, 17692), (1360, 13269), (2040, 8846), (4080, 4423)]