61307440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 153606240

約数和(自身を除く): 92298800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 739, 976, 1037, 1220, 1360, 1478, 2074, 2440, 2956, 3695, 4148, 4880, 5185, 5912, 7390, 8296, 10370, 11824, 12563, 14780, 16592, 20740, 25126, 29560, 41480, 45079, 50252, 59120, 62815, 82960, 90158, 100504, 125630, 180316, 201008, 225395, 251260, 360632, 450790, 502520, 721264, 766343, 901580, 1005040, 1532686, 1803160, 3065372, 3606320, 3831715, 6130744, 7663430, 12261488, 15326860, 30653720, 61307440]

約数ペア:

[(1, 61307440), (2, 30653720), (4, 15326860), (5, 12261488), (8, 7663430), (10, 6130744), (16, 3831715), (17, 3606320), (20, 3065372), (34, 1803160), (40, 1532686), (61, 1005040), (68, 901580), (80, 766343), (85, 721264), (122, 502520), (136, 450790), (170, 360632), (244, 251260), (272, 225395), (305, 201008), (340, 180316), (488, 125630), (610, 100504), (680, 90158), (739, 82960), (976, 62815), (1037, 59120), (1220, 50252), (1360, 45079), (1478, 41480), (2074, 29560), (2440, 25126), (2956, 20740), (3695, 16592), (4148, 14780), (4880, 12563), (5185, 11824), (5912, 10370), (7390, 8296)]