145149440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 120

約数和(自身を含む): 365702040

約数和(自身を除く): 220552600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 256, 295, 310, 320, 472, 496, 512, 590, 620, 640, 944, 961, 992, 1180, 1240, 1280, 1829, 1888, 1922, 1984, 2360, 2480, 2560, 3658, 3776, 3844, 3968, 4720, 4805, 4960, 7316, 7552, 7688, 7936, 9145, 9440, 9610, 9920, 14632, 15104, 15376, 15872, 18290, 18880, 19220, 19840, 29264, 30208, 30752, 36580, 37760, 38440, 39680, 56699, 58528, 61504, 73160, 75520, 76880, 79360, 113398, 117056, 123008, 146320, 151040, 153760, 226796, 234112, 246016, 283495, 292640, 307520, 453592, 468224, 492032, 566990, 585280, 615040, 907184, 936448, 1133980, 1170560, 1230080, 1814368, 2267960, 2341120, 2460160, 3628736, 4535920, 4682240, 7257472, 9071840, 14514944, 18143680, 29029888, 36287360, 72574720, 145149440]

約数ペア:

[(1, 145149440), (2, 72574720), (4, 36287360), (5, 29029888), (8, 18143680), (10, 14514944), (16, 9071840), (20, 7257472), (31, 4682240), (32, 4535920), (40, 3628736), (59, 2460160), (62, 2341120), (64, 2267960), (80, 1814368), (118, 1230080), (124, 1170560), (128, 1133980), (155, 936448), (160, 907184), (236, 615040), (248, 585280), (256, 566990), (295, 492032), (310, 468224), (320, 453592), (472, 307520), (496, 292640), (512, 283495), (590, 246016), (620, 234112), (640, 226796), (944, 153760), (961, 151040), (992, 146320), (1180, 123008), (1240, 117056), (1280, 113398), (1829, 79360), (1888, 76880), (1922, 75520), (1984, 73160), (2360, 61504), (2480, 58528), (2560, 56699), (3658, 39680), (3776, 38440), (3844, 37760), (3968, 36580), (4720, 30752), (4805, 30208), (4960, 29264), (7316, 19840), (7552, 19220), (7688, 18880), (7936, 18290), (9145, 15872), (9440, 15376), (9610, 15104), (9920, 14632)]