61307880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 194745600

約数和(自身を除く): 133437720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 97, 115, 120, 138, 184, 194, 229, 230, 276, 291, 345, 388, 458, 460, 485, 552, 582, 687, 690, 776, 916, 920, 970, 1145, 1164, 1374, 1380, 1455, 1832, 1940, 2231, 2290, 2328, 2748, 2760, 2910, 3435, 3880, 4462, 4580, 5267, 5496, 5820, 6693, 6870, 8924, 9160, 10534, 11155, 11640, 13386, 13740, 15801, 17848, 21068, 22213, 22310, 26335, 26772, 27480, 31602, 33465, 42136, 44426, 44620, 52670, 53544, 63204, 66639, 66930, 79005, 88852, 89240, 105340, 111065, 126408, 133278, 133860, 158010, 177704, 210680, 222130, 266556, 267720, 316020, 333195, 444260, 510899, 533112, 632040, 666390, 888520, 1021798, 1332780, 1532697, 2043596, 2554495, 2665560, 3065394, 4087192, 5108990, 6130788, 7663485, 10217980, 12261576, 15326970, 20435960, 30653940, 61307880]

約数ペア:

[(1, 61307880), (2, 30653940), (3, 20435960), (4, 15326970), (5, 12261576), (6, 10217980), (8, 7663485), (10, 6130788), (12, 5108990), (15, 4087192), (20, 3065394), (23, 2665560), (24, 2554495), (30, 2043596), (40, 1532697), (46, 1332780), (60, 1021798), (69, 888520), (92, 666390), (97, 632040), (115, 533112), (120, 510899), (138, 444260), (184, 333195), (194, 316020), (229, 267720), (230, 266556), (276, 222130), (291, 210680), (345, 177704), (388, 158010), (458, 133860), (460, 133278), (485, 126408), (552, 111065), (582, 105340), (687, 89240), (690, 88852), (776, 79005), (916, 66930), (920, 66639), (970, 63204), (1145, 53544), (1164, 52670), (1374, 44620), (1380, 44426), (1455, 42136), (1832, 33465), (1940, 31602), (2231, 27480), (2290, 26772), (2328, 26335), (2748, 22310), (2760, 22213), (2910, 21068), (3435, 17848), (3880, 15801), (4462, 13740), (4580, 13386), (5267, 11640), (5496, 11155), (5820, 10534), (6693, 9160), (6870, 8924)]