289602560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 176

約数和(自身を含む): 790960800

約数和(自身を除く): 501358240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 229, 247, 256, 260, 304, 320, 380, 416, 458, 494, 512, 520, 608, 640, 760, 832, 916, 988, 1024, 1040, 1145, 1216, 1235, 1280, 1520, 1664, 1832, 1976, 2080, 2290, 2432, 2470, 2560, 2977, 3040, 3328, 3664, 3952, 4160, 4351, 4580, 4864, 4940, 5120, 5954, 6080, 6656, 7328, 7904, 8320, 8702, 9160, 9728, 9880, 11908, 12160, 13312, 14656, 14885, 15808, 16640, 17404, 18320, 19456, 19760, 21755, 23816, 24320, 29312, 29770, 31616, 33280, 34808, 36640, 39520, 43510, 47632, 48640, 56563, 58624, 59540, 63232, 66560, 69616, 73280, 79040, 87020, 95264, 97280, 113126, 117248, 119080, 126464, 139232, 146560, 158080, 174040, 190528, 226252, 234496, 238160, 252928, 278464, 282815, 293120, 316160, 348080, 381056, 452504, 476320, 556928, 565630, 586240, 632320, 696160, 762112, 905008, 952640, 1113856, 1131260, 1172480, 1264640, 1392320, 1524224, 1810016, 1905280, 2227712, 2262520, 2784640, 3048448, 3620032, 3810560, 4455424, 4525040, 5569280, 7240064, 7621120, 9050080, 11138560, 14480128, 15242240, 18100160, 22277120, 28960256, 36200320, 57920512, 72400640, 144801280, 289602560]

約数ペア:

[(1, 289602560), (2, 144801280), (4, 72400640), (5, 57920512), (8, 36200320), (10, 28960256), (13, 22277120), (16, 18100160), (19, 15242240), (20, 14480128), (26, 11138560), (32, 9050080), (38, 7621120), (40, 7240064), (52, 5569280), (64, 4525040), (65, 4455424), (76, 3810560), (80, 3620032), (95, 3048448), (104, 2784640), (128, 2262520), (130, 2227712), (152, 1905280), (160, 1810016), (190, 1524224), (208, 1392320), (229, 1264640), (247, 1172480), (256, 1131260), (260, 1113856), (304, 952640), (320, 905008), (380, 762112), (416, 696160), (458, 632320), (494, 586240), (512, 565630), (520, 556928), (608, 476320), (640, 452504), (760, 381056), (832, 348080), (916, 316160), (988, 293120), (1024, 282815), (1040, 278464), (1145, 252928), (1216, 238160), (1235, 234496), (1280, 226252), (1520, 190528), (1664, 174040), (1832, 158080), (1976, 146560), (2080, 139232), (2290, 126464), (2432, 119080), (2470, 117248), (2560, 113126), (2977, 97280), (3040, 95264), (3328, 87020), (3664, 79040), (3952, 73280), (4160, 69616), (4351, 66560), (4580, 63232), (4864, 59540), (4940, 58624), (5120, 56563), (5954, 48640), (6080, 47632), (6656, 43510), (7328, 39520), (7904, 36640), (8320, 34808), (8702, 33280), (9160, 31616), (9728, 29770), (9880, 29312), (11908, 24320), (12160, 23816), (13312, 21755), (14656, 19760), (14885, 19456), (15808, 18320), (16640, 17404)]