290298880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 132

約数和(自身を含む): 731761560

約数和(自身を除く): 441462680

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, 1024, 1180, 1240, 1280, 1829, 1888, 1922, 1984, 2360, 2480, 2560, 3658, 3776, 3844, 3968, 4720, 4805, 4960, 5120, 7316, 7552, 7688, 7936, 9145, 9440, 9610, 9920, 14632, 15104, 15376, 15872, 18290, 18880, 19220, 19840, 29264, 30208, 30752, 31744, 36580, 37760, 38440, 39680, 56699, 58528, 60416, 61504, 73160, 75520, 76880, 79360, 113398, 117056, 123008, 146320, 151040, 153760, 158720, 226796, 234112, 246016, 283495, 292640, 302080, 307520, 453592, 468224, 492032, 566990, 585280, 615040, 907184, 936448, 984064, 1133980, 1170560, 1230080, 1814368, 1872896, 2267960, 2341120, 2460160, 3628736, 4535920, 4682240, 4920320, 7257472, 9071840, 9364480, 14514944, 18143680, 29029888, 36287360, 58059776, 72574720, 145149440, 290298880]

約数ペア:

[(1, 290298880), (2, 145149440), (4, 72574720), (5, 58059776), (8, 36287360), (10, 29029888), (16, 18143680), (20, 14514944), (31, 9364480), (32, 9071840), (40, 7257472), (59, 4920320), (62, 4682240), (64, 4535920), (80, 3628736), (118, 2460160), (124, 2341120), (128, 2267960), (155, 1872896), (160, 1814368), (236, 1230080), (248, 1170560), (256, 1133980), (295, 984064), (310, 936448), (320, 907184), (472, 615040), (496, 585280), (512, 566990), (590, 492032), (620, 468224), (640, 453592), (944, 307520), (961, 302080), (992, 292640), (1024, 283495), (1180, 246016), (1240, 234112), (1280, 226796), (1829, 158720), (1888, 153760), (1922, 151040), (1984, 146320), (2360, 123008), (2480, 117056), (2560, 113398), (3658, 79360), (3776, 76880), (3844, 75520), (3968, 73160), (4720, 61504), (4805, 60416), (4960, 58528), (5120, 56699), (7316, 39680), (7552, 38440), (7688, 37760), (7936, 36580), (9145, 31744), (9440, 30752), (9610, 30208), (9920, 29264), (14632, 19840), (15104, 19220), (15376, 18880), (15872, 18290)]