1227649640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1795

約数の個数: 128

約数和(自身を含む): 3289766400

約数和(自身を除く): 2062116760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 71, 74, 140, 142, 148, 185, 259, 280, 284, 296, 355, 370, 497, 518, 568, 710, 740, 994, 1036, 1295, 1420, 1480, 1669, 1988, 2072, 2485, 2590, 2627, 2840, 3338, 3976, 4970, 5180, 5254, 6676, 8345, 9940, 10360, 10508, 11683, 13135, 13352, 16690, 18389, 19880, 21016, 23366, 26270, 33380, 36778, 46732, 52540, 58415, 61753, 66760, 73556, 91945, 93464, 105080, 116830, 118499, 123506, 147112, 183890, 233660, 236998, 247012, 308765, 367780, 432271, 467320, 473996, 494024, 592495, 617530, 735560, 829493, 864542, 947992, 1184990, 1235060, 1658986, 1729084, 2161355, 2369980, 2470120, 3317972, 3458168, 4147465, 4322710, 4384463, 4739960, 6635944, 8294930, 8645420, 8768926, 16589860, 17290840, 17537852, 21922315, 30691241, 33179720, 35075704, 43844630, 61382482, 87689260, 122764964, 153456205, 175378520, 245529928, 306912410, 613824820, 1227649640]

約数ペア:

[(1, 1227649640), (2, 613824820), (4, 306912410), (5, 245529928), (7, 175378520), (8, 153456205), (10, 122764964), (14, 87689260), (20, 61382482), (28, 43844630), (35, 35075704), (37, 33179720), (40, 30691241), (56, 21922315), (70, 17537852), (71, 17290840), (74, 16589860), (140, 8768926), (142, 8645420), (148, 8294930), (185, 6635944), (259, 4739960), (280, 4384463), (284, 4322710), (296, 4147465), (355, 3458168), (370, 3317972), (497, 2470120), (518, 2369980), (568, 2161355), (710, 1729084), (740, 1658986), (994, 1235060), (1036, 1184990), (1295, 947992), (1420, 864542), (1480, 829493), (1669, 735560), (1988, 617530), (2072, 592495), (2485, 494024), (2590, 473996), (2627, 467320), (2840, 432271), (3338, 367780), (3976, 308765), (4970, 247012), (5180, 236998), (5254, 233660), (6676, 183890), (8345, 147112), (9940, 123506), (10360, 118499), (10508, 116830), (11683, 105080), (13135, 93464), (13352, 91945), (16690, 73556), (18389, 66760), (19880, 61753), (21016, 58415), (23366, 52540), (26270, 46732), (33380, 36778)]