65880492460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{10663}}^1$

素因数の和:10991

約数の個数: 96

約数和(自身を含む): 148340505600

約数和(自身を除く): 82460013140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 229, 284, 355, 380, 458, 710, 916, 1145, 1349, 1420, 2290, 2698, 4351, 4580, 5396, 6745, 8702, 10663, 13490, 16259, 17404, 21326, 21755, 26980, 32518, 42652, 43510, 53315, 65036, 81295, 87020, 106630, 162590, 202597, 213260, 308921, 325180, 405194, 617842, 757073, 810388, 1012985, 1235684, 1514146, 1544605, 2025970, 2441827, 3028292, 3089210, 3785365, 4051940, 4883654, 6178420, 7570730, 9767308, 12209135, 14384387, 15141460, 24418270, 28768774, 46394713, 48836540, 57537548, 71921935, 92789426, 143843870, 173369717, 185578852, 231973565, 287687740, 346739434, 463947130, 693478868, 866848585, 927894260, 1733697170, 3294024623, 3467394340, 6588049246, 13176098492, 16470123115, 32940246230, 65880492460]

約数ペア:

[(1, 65880492460), (2, 32940246230), (4, 16470123115), (5, 13176098492), (10, 6588049246), (19, 3467394340), (20, 3294024623), (38, 1733697170), (71, 927894260), (76, 866848585), (95, 693478868), (142, 463947130), (190, 346739434), (229, 287687740), (284, 231973565), (355, 185578852), (380, 173369717), (458, 143843870), (710, 92789426), (916, 71921935), (1145, 57537548), (1349, 48836540), (1420, 46394713), (2290, 28768774), (2698, 24418270), (4351, 15141460), (4580, 14384387), (5396, 12209135), (6745, 9767308), (8702, 7570730), (10663, 6178420), (13490, 4883654), (16259, 4051940), (17404, 3785365), (21326, 3089210), (21755, 3028292), (26980, 2441827), (32518, 2025970), (42652, 1544605), (43510, 1514146), (53315, 1235684), (65036, 1012985), (81295, 810388), (87020, 757073), (106630, 617842), (162590, 405194), (202597, 325180), (213260, 308921)]