19701388920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1\times {\mathrm{2039}}^1$

素因数の和:3229

約数の個数: 128

約数和(自身を含む): 59997542400

約数和(自身を除く): 40296153480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1103, 1460, 1752, 2039, 2190, 2206, 2920, 3309, 4078, 4380, 4412, 5515, 6117, 6618, 8156, 8760, 8824, 10195, 11030, 12234, 13236, 16312, 16545, 20390, 22060, 24468, 26472, 30585, 33090, 40780, 44120, 48936, 61170, 66180, 80519, 81560, 122340, 132360, 148847, 161038, 241557, 244680, 297694, 322076, 402595, 446541, 483114, 595388, 644152, 744235, 805190, 893082, 966228, 1190776, 1207785, 1488470, 1610380, 1786164, 1932456, 2232705, 2249017, 2415570, 2976940, 3220760, 3572328, 4465410, 4498034, 4831140, 5953880, 6747051, 8930820, 8996068, 9662280, 11245085, 13494102, 17861640, 17992136, 22490170, 26988204, 33735255, 44980340, 53976408, 67470510, 89960680, 134941020, 164178241, 269882040, 328356482, 492534723, 656712964, 820891205, 985069446, 1313425928, 1641782410, 1970138892, 2462673615, 3283564820, 3940277784, 4925347230, 6567129640, 9850694460, 19701388920]

約数ペア:

[(1, 19701388920), (2, 9850694460), (3, 6567129640), (4, 4925347230), (5, 3940277784), (6, 3283564820), (8, 2462673615), (10, 1970138892), (12, 1641782410), (15, 1313425928), (20, 985069446), (24, 820891205), (30, 656712964), (40, 492534723), (60, 328356482), (73, 269882040), (120, 164178241), (146, 134941020), (219, 89960680), (292, 67470510), (365, 53976408), (438, 44980340), (584, 33735255), (730, 26988204), (876, 22490170), (1095, 17992136), (1103, 17861640), (1460, 13494102), (1752, 11245085), (2039, 9662280), (2190, 8996068), (2206, 8930820), (2920, 6747051), (3309, 5953880), (4078, 4831140), (4380, 4498034), (4412, 4465410), (5515, 3572328), (6117, 3220760), (6618, 2976940), (8156, 2415570), (8760, 2249017), (8824, 2232705), (10195, 1932456), (11030, 1786164), (12234, 1610380), (13236, 1488470), (16312, 1207785), (16545, 1190776), (20390, 966228), (22060, 893082), (24468, 805190), (26472, 744235), (30585, 644152), (33090, 595388), (40780, 483114), (44120, 446541), (48936, 402595), (61170, 322076), (66180, 297694), (80519, 244680), (81560, 241557), (122340, 161038), (132360, 148847)]