151631720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 358387200

約数和(自身を除く): 206755480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 536, 580, 670, 1160, 1340, 1943, 1951, 2680, 3886, 3902, 7772, 7804, 9715, 9755, 15544, 15608, 19430, 19510, 38860, 39020, 56579, 77720, 78040, 113158, 130717, 226316, 261434, 282895, 452632, 522868, 565790, 653585, 1045736, 1131580, 1307170, 2263160, 2614340, 3790793, 5228680, 7581586, 15163172, 18953965, 30326344, 37907930, 75815860, 151631720]

約数ペア:

[(1, 151631720), (2, 75815860), (4, 37907930), (5, 30326344), (8, 18953965), (10, 15163172), (20, 7581586), (29, 5228680), (40, 3790793), (58, 2614340), (67, 2263160), (116, 1307170), (134, 1131580), (145, 1045736), (232, 653585), (268, 565790), (290, 522868), (335, 452632), (536, 282895), (580, 261434), (670, 226316), (1160, 130717), (1340, 113158), (1943, 78040), (1951, 77720), (2680, 56579), (3886, 39020), (3902, 38860), (7772, 19510), (7804, 19430), (9715, 15608), (9755, 15544)]