71531970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 176463360

約数和(自身を除く): 104931390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 89, 146, 178, 219, 267, 365, 367, 438, 445, 534, 730, 734, 890, 1095, 1101, 1335, 1835, 2190, 2202, 2670, 3670, 5505, 6497, 11010, 12994, 19491, 26791, 32485, 32663, 38982, 53582, 64970, 65326, 80373, 97455, 97989, 133955, 160746, 163315, 194910, 195978, 267910, 326630, 401865, 489945, 803730, 979890, 2384399, 4768798, 7153197, 11921995, 14306394, 23843990, 35765985, 71531970]

約数ペア:

[(1, 71531970), (2, 35765985), (3, 23843990), (5, 14306394), (6, 11921995), (10, 7153197), (15, 4768798), (30, 2384399), (73, 979890), (89, 803730), (146, 489945), (178, 401865), (219, 326630), (267, 267910), (365, 195978), (367, 194910), (438, 163315), (445, 160746), (534, 133955), (730, 97989), (734, 97455), (890, 80373), (1095, 65326), (1101, 64970), (1335, 53582), (1835, 38982), (2190, 32663), (2202, 32485), (2670, 26791), (3670, 19491), (5505, 12994), (6497, 11010)]