61540425

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 124277760

約数和(自身を除く): 62737335

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 31, 45, 51, 75, 85, 93, 135, 153, 155, 173, 225, 255, 279, 425, 459, 465, 519, 527, 675, 765, 775, 837, 865, 1275, 1395, 1557, 1581, 2295, 2325, 2595, 2635, 2941, 3825, 4185, 4325, 4671, 4743, 5363, 6975, 7785, 7905, 8823, 11475, 12975, 13175, 14229, 14705, 16089, 20925, 23355, 23715, 26469, 26815, 38925, 39525, 44115, 48267, 71145, 73525, 79407, 80445, 91171, 116775, 118575, 132345, 134075, 144801, 220575, 241335, 273513, 355725, 397035, 402225, 455855, 661725, 724005, 820539, 1206675, 1367565, 1985175, 2279275, 2461617, 3620025, 4102695, 6837825, 12308085, 20513475, 61540425]

約数ペア:

[(1, 61540425), (3, 20513475), (5, 12308085), (9, 6837825), (15, 4102695), (17, 3620025), (25, 2461617), (27, 2279275), (31, 1985175), (45, 1367565), (51, 1206675), (75, 820539), (85, 724005), (93, 661725), (135, 455855), (153, 402225), (155, 397035), (173, 355725), (225, 273513), (255, 241335), (279, 220575), (425, 144801), (459, 134075), (465, 132345), (519, 118575), (527, 116775), (675, 91171), (765, 80445), (775, 79407), (837, 73525), (865, 71145), (1275, 48267), (1395, 44115), (1557, 39525), (1581, 38925), (2295, 26815), (2325, 26469), (2595, 23715), (2635, 23355), (2941, 20925), (3825, 16089), (4185, 14705), (4325, 14229), (4671, 13175), (4743, 12975), (5363, 11475), (6975, 8823), (7785, 7905)]