640159260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8461}}^1$

素因数の和:8583

約数の個数: 96

約数和(自身を含む): 1950457152

約数和(自身を除く): 1310297892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 780, 970, 1164, 1261, 1455, 1940, 2522, 2910, 3783, 5044, 5820, 6305, 7566, 8461, 12610, 15132, 16922, 18915, 25220, 25383, 33844, 37830, 42305, 50766, 75660, 84610, 101532, 109993, 126915, 169220, 219986, 253830, 329979, 439972, 507660, 549965, 659958, 820717, 1099930, 1319916, 1641434, 1649895, 2199860, 2462151, 3282868, 3299790, 4103585, 4924302, 6599580, 8207170, 9848604, 10669321, 12310755, 16414340, 21338642, 24621510, 32007963, 42677284, 49243020, 53346605, 64015926, 106693210, 128031852, 160039815, 213386420, 320079630, 640159260]

約数ペア:

[(1, 640159260), (2, 320079630), (3, 213386420), (4, 160039815), (5, 128031852), (6, 106693210), (10, 64015926), (12, 53346605), (13, 49243020), (15, 42677284), (20, 32007963), (26, 24621510), (30, 21338642), (39, 16414340), (52, 12310755), (60, 10669321), (65, 9848604), (78, 8207170), (97, 6599580), (130, 4924302), (156, 4103585), (194, 3299790), (195, 3282868), (260, 2462151), (291, 2199860), (388, 1649895), (390, 1641434), (485, 1319916), (582, 1099930), (780, 820717), (970, 659958), (1164, 549965), (1261, 507660), (1455, 439972), (1940, 329979), (2522, 253830), (2910, 219986), (3783, 169220), (5044, 126915), (5820, 109993), (6305, 101532), (7566, 84610), (8461, 75660), (12610, 50766), (15132, 42305), (16922, 37830), (18915, 33844), (25220, 25383)]