61809240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13921}}^1$

素因数の和:13972

約数の個数: 64

約数和(自身を含む): 190452960

約数和(自身を除く): 128643720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 13921, 27842, 41763, 55684, 69605, 83526, 111368, 139210, 167052, 208815, 278420, 334104, 417630, 515077, 556840, 835260, 1030154, 1545231, 1670520, 2060308, 2575385, 3090462, 4120616, 5150770, 6180924, 7726155, 10301540, 12361848, 15452310, 20603080, 30904620, 61809240]

約数ペア:

[(1, 61809240), (2, 30904620), (3, 20603080), (4, 15452310), (5, 12361848), (6, 10301540), (8, 7726155), (10, 6180924), (12, 5150770), (15, 4120616), (20, 3090462), (24, 2575385), (30, 2060308), (37, 1670520), (40, 1545231), (60, 1030154), (74, 835260), (111, 556840), (120, 515077), (148, 417630), (185, 334104), (222, 278420), (296, 208815), (370, 167052), (444, 139210), (555, 111368), (740, 83526), (888, 69605), (1110, 55684), (1480, 41763), (2220, 27842), (4440, 13921)]