29781420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 86661120

約数和(自身を除く): 56879700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 79, 103, 122, 158, 183, 206, 237, 244, 305, 309, 316, 366, 395, 412, 474, 515, 610, 618, 732, 790, 915, 948, 1030, 1185, 1220, 1236, 1545, 1580, 1830, 2060, 2370, 3090, 3660, 4740, 4819, 6180, 6283, 8137, 9638, 12566, 14457, 16274, 18849, 19276, 24095, 24411, 25132, 28914, 31415, 32548, 37698, 40685, 48190, 48822, 57828, 62830, 72285, 75396, 81370, 94245, 96380, 97644, 122055, 125660, 144570, 162740, 188490, 244110, 289140, 376980, 488220, 496357, 992714, 1489071, 1985428, 2481785, 2978142, 4963570, 5956284, 7445355, 9927140, 14890710, 29781420]

約数ペア:

[(1, 29781420), (2, 14890710), (3, 9927140), (4, 7445355), (5, 5956284), (6, 4963570), (10, 2978142), (12, 2481785), (15, 1985428), (20, 1489071), (30, 992714), (60, 496357), (61, 488220), (79, 376980), (103, 289140), (122, 244110), (158, 188490), (183, 162740), (206, 144570), (237, 125660), (244, 122055), (305, 97644), (309, 96380), (316, 94245), (366, 81370), (395, 75396), (412, 72285), (474, 62830), (515, 57828), (610, 48822), (618, 48190), (732, 40685), (790, 37698), (915, 32548), (948, 31415), (1030, 28914), (1185, 25132), (1220, 24411), (1236, 24095), (1545, 19276), (1580, 18849), (1830, 16274), (2060, 14457), (2370, 12566), (3090, 9638), (3660, 8137), (4740, 6283), (4819, 6180)]