253872640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 160

約数和(自身を含む): 719668224

約数和(自身を除く): 465795584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 457, 496, 512, 560, 620, 640, 868, 896, 914, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1828, 1984, 2170, 2240, 2285, 2480, 2560, 3199, 3472, 3584, 3656, 3968, 4340, 4480, 4570, 4960, 6398, 6944, 7312, 7936, 8680, 8960, 9140, 9920, 12796, 13888, 14167, 14624, 15872, 15995, 17360, 17920, 18280, 19840, 25592, 27776, 28334, 29248, 31990, 34720, 36560, 39680, 51184, 55552, 56668, 58496, 63980, 69440, 70835, 73120, 79360, 99169, 102368, 111104, 113336, 116992, 127960, 138880, 141670, 146240, 198338, 204736, 226672, 233984, 255920, 277760, 283340, 292480, 396676, 409472, 453344, 495845, 511840, 555520, 566680, 584960, 793352, 818944, 906688, 991690, 1023680, 1133360, 1169920, 1586704, 1637888, 1813376, 1983380, 2047360, 2266720, 3173408, 3626752, 3966760, 4094720, 4533440, 6346816, 7253504, 7933520, 8189440, 9066880, 12693632, 15867040, 18133760, 25387264, 31734080, 36267520, 50774528, 63468160, 126936320, 253872640]

約数ペア:

[(1, 253872640), (2, 126936320), (4, 63468160), (5, 50774528), (7, 36267520), (8, 31734080), (10, 25387264), (14, 18133760), (16, 15867040), (20, 12693632), (28, 9066880), (31, 8189440), (32, 7933520), (35, 7253504), (40, 6346816), (56, 4533440), (62, 4094720), (64, 3966760), (70, 3626752), (80, 3173408), (112, 2266720), (124, 2047360), (128, 1983380), (140, 1813376), (155, 1637888), (160, 1586704), (217, 1169920), (224, 1133360), (248, 1023680), (256, 991690), (280, 906688), (310, 818944), (320, 793352), (434, 584960), (448, 566680), (457, 555520), (496, 511840), (512, 495845), (560, 453344), (620, 409472), (640, 396676), (868, 292480), (896, 283340), (914, 277760), (992, 255920), (1085, 233984), (1120, 226672), (1240, 204736), (1280, 198338), (1736, 146240), (1792, 141670), (1828, 138880), (1984, 127960), (2170, 116992), (2240, 113336), (2285, 111104), (2480, 102368), (2560, 99169), (3199, 79360), (3472, 73120), (3584, 70835), (3656, 69440), (3968, 63980), (4340, 58496), (4480, 56668), (4570, 55552), (4960, 51184), (6398, 39680), (6944, 36560), (7312, 34720), (7936, 31990), (8680, 29248), (8960, 28334), (9140, 27776), (9920, 25592), (12796, 19840), (13888, 18280), (14167, 17920), (14624, 17360), (15872, 15995)]