320417020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12239}}^1$

素因数の和:12283

約数の個数: 96

約数和(自身を含む): 888330240

約数和(自身を除く): 567913220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 3740, 5236, 6545, 12239, 13090, 24478, 26180, 48956, 61195, 85673, 122390, 134629, 171346, 208063, 244780, 269258, 342692, 416126, 428365, 538516, 673145, 832252, 856730, 942403, 1040315, 1346290, 1456441, 1713460, 1884806, 2080630, 2288693, 2692580, 2912882, 3769612, 4161260, 4577386, 4712015, 5825764, 7282205, 9154772, 9424030, 11443465, 14564410, 16020851, 18848060, 22886930, 29128820, 32041702, 45773860, 64083404, 80104255, 160208510, 320417020]

約数ペア:

[(1, 320417020), (2, 160208510), (4, 80104255), (5, 64083404), (7, 45773860), (10, 32041702), (11, 29128820), (14, 22886930), (17, 18848060), (20, 16020851), (22, 14564410), (28, 11443465), (34, 9424030), (35, 9154772), (44, 7282205), (55, 5825764), (68, 4712015), (70, 4577386), (77, 4161260), (85, 3769612), (110, 2912882), (119, 2692580), (140, 2288693), (154, 2080630), (170, 1884806), (187, 1713460), (220, 1456441), (238, 1346290), (308, 1040315), (340, 942403), (374, 856730), (385, 832252), (476, 673145), (595, 538516), (748, 428365), (770, 416126), (935, 342692), (1190, 269258), (1309, 244780), (1540, 208063), (1870, 171346), (2380, 134629), (2618, 122390), (3740, 85673), (5236, 61195), (6545, 48956), (12239, 26180), (13090, 24478)]