87853560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 278208000

約数和(自身を除く): 190354440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 229, 230, 276, 278, 345, 417, 458, 460, 552, 556, 687, 690, 695, 834, 916, 920, 1112, 1145, 1374, 1380, 1390, 1668, 1832, 2085, 2290, 2748, 2760, 2780, 3197, 3336, 3435, 4170, 4580, 5267, 5496, 5560, 6394, 6870, 8340, 9160, 9591, 10534, 12788, 13740, 15801, 15985, 16680, 19182, 21068, 25576, 26335, 27480, 31602, 31831, 31970, 38364, 42136, 47955, 52670, 63204, 63662, 63940, 76728, 79005, 95493, 95910, 105340, 126408, 127324, 127880, 158010, 159155, 190986, 191820, 210680, 254648, 316020, 318310, 381972, 383640, 477465, 632040, 636620, 732113, 763944, 954930, 1273240, 1464226, 1909860, 2196339, 2928452, 3660565, 3819720, 4392678, 5856904, 7321130, 8785356, 10981695, 14642260, 17570712, 21963390, 29284520, 43926780, 87853560]

約数ペア:

[(1, 87853560), (2, 43926780), (3, 29284520), (4, 21963390), (5, 17570712), (6, 14642260), (8, 10981695), (10, 8785356), (12, 7321130), (15, 5856904), (20, 4392678), (23, 3819720), (24, 3660565), (30, 2928452), (40, 2196339), (46, 1909860), (60, 1464226), (69, 1273240), (92, 954930), (115, 763944), (120, 732113), (138, 636620), (139, 632040), (184, 477465), (229, 383640), (230, 381972), (276, 318310), (278, 316020), (345, 254648), (417, 210680), (458, 191820), (460, 190986), (552, 159155), (556, 158010), (687, 127880), (690, 127324), (695, 126408), (834, 105340), (916, 95910), (920, 95493), (1112, 79005), (1145, 76728), (1374, 63940), (1380, 63662), (1390, 63204), (1668, 52670), (1832, 47955), (2085, 42136), (2290, 38364), (2748, 31970), (2760, 31831), (2780, 31602), (3197, 27480), (3336, 26335), (3435, 25576), (4170, 21068), (4580, 19182), (5267, 16680), (5496, 15985), (5560, 15801), (6394, 13740), (6870, 12788), (8340, 10534), (9160, 9591)]