638020368

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:606

約数の個数: 160

約数和(自身を含む): 1927852800

約数和(自身を除く): 1289832432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 157, 184, 207, 216, 276, 314, 368, 409, 414, 432, 471, 552, 621, 628, 818, 828, 942, 1104, 1227, 1242, 1256, 1413, 1636, 1656, 1884, 2454, 2484, 2512, 2826, 3272, 3312, 3611, 3681, 3768, 4239, 4908, 4968, 5652, 6544, 7222, 7362, 7536, 8478, 9407, 9816, 9936, 10833, 11043, 11304, 14444, 14724, 16956, 18814, 19632, 21666, 22086, 22608, 28221, 28888, 29448, 32499, 33912, 37628, 43332, 44172, 56442, 57776, 58896, 64213, 64998, 67824, 75256, 84663, 86664, 88344, 97497, 112884, 128426, 129996, 150512, 169326, 173328, 176688, 192639, 194994, 225768, 253989, 256852, 259992, 338652, 385278, 389988, 451536, 507978, 513704, 519984, 577917, 677304, 770556, 779976, 1015956, 1027408, 1155834, 1354608, 1476899, 1541112, 1559952, 1733751, 2031912, 2311668, 2953798, 3082224, 3467502, 4063824, 4430697, 4623336, 5907596, 6935004, 8861394, 9246672, 11815192, 13292091, 13870008, 17722788, 23630384, 26584182, 27740016, 35445576, 39876273, 53168364, 70891152, 79752546, 106336728, 159505092, 212673456, 319010184, 638020368]

約数ペア:

[(1, 638020368), (2, 319010184), (3, 212673456), (4, 159505092), (6, 106336728), (8, 79752546), (9, 70891152), (12, 53168364), (16, 39876273), (18, 35445576), (23, 27740016), (24, 26584182), (27, 23630384), (36, 17722788), (46, 13870008), (48, 13292091), (54, 11815192), (69, 9246672), (72, 8861394), (92, 6935004), (108, 5907596), (138, 4623336), (144, 4430697), (157, 4063824), (184, 3467502), (207, 3082224), (216, 2953798), (276, 2311668), (314, 2031912), (368, 1733751), (409, 1559952), (414, 1541112), (432, 1476899), (471, 1354608), (552, 1155834), (621, 1027408), (628, 1015956), (818, 779976), (828, 770556), (942, 677304), (1104, 577917), (1227, 519984), (1242, 513704), (1256, 507978), (1413, 451536), (1636, 389988), (1656, 385278), (1884, 338652), (2454, 259992), (2484, 256852), (2512, 253989), (2826, 225768), (3272, 194994), (3312, 192639), (3611, 176688), (3681, 173328), (3768, 169326), (4239, 150512), (4908, 129996), (4968, 128426), (5652, 112884), (6544, 97497), (7222, 88344), (7362, 86664), (7536, 84663), (8478, 75256), (9407, 67824), (9816, 64998), (9936, 64213), (10833, 58896), (11043, 57776), (11304, 56442), (14444, 44172), (14724, 43332), (16956, 37628), (18814, 33912), (19632, 32499), (21666, 29448), (22086, 28888), (22608, 28221)]