285455520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{28319}}^1$

素因数の和:28347

約数の個数: 144

約数和(自身を含む): 1113315840

約数和(自身を除く): 827860320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 28319, 56638, 84957, 113276, 141595, 169914, 198233, 226552, 254871, 283190, 339828, 396466, 424785, 453104, 509742, 566380, 594699, 679656, 792932, 849570, 906208, 991165, 1019484, 1132760, 1189398, 1274355, 1359312, 1585864, 1699140, 1784097, 1982330, 2038968, 2265520, 2378796, 2548710, 2718624, 2973495, 3171728, 3398280, 3568194, 3964660, 4077936, 4531040, 4757592, 5097420, 5946990, 6343456, 6796560, 7136388, 7929320, 8155872, 8920485, 9515184, 10194840, 11893980, 13593120, 14272776, 15858640, 17840970, 19030368, 20389680, 23787960, 28545552, 31717280, 35681940, 40779360, 47575920, 57091104, 71363880, 95151840, 142727760, 285455520]

約数ペア:

[(1, 285455520), (2, 142727760), (3, 95151840), (4, 71363880), (5, 57091104), (6, 47575920), (7, 40779360), (8, 35681940), (9, 31717280), (10, 28545552), (12, 23787960), (14, 20389680), (15, 19030368), (16, 17840970), (18, 15858640), (20, 14272776), (21, 13593120), (24, 11893980), (28, 10194840), (30, 9515184), (32, 8920485), (35, 8155872), (36, 7929320), (40, 7136388), (42, 6796560), (45, 6343456), (48, 5946990), (56, 5097420), (60, 4757592), (63, 4531040), (70, 4077936), (72, 3964660), (80, 3568194), (84, 3398280), (90, 3171728), (96, 2973495), (105, 2718624), (112, 2548710), (120, 2378796), (126, 2265520), (140, 2038968), (144, 1982330), (160, 1784097), (168, 1699140), (180, 1585864), (210, 1359312), (224, 1274355), (240, 1189398), (252, 1132760), (280, 1019484), (288, 991165), (315, 906208), (336, 849570), (360, 792932), (420, 679656), (480, 594699), (504, 566380), (560, 509742), (630, 453104), (672, 424785), (720, 396466), (840, 339828), (1008, 283190), (1120, 254871), (1260, 226552), (1440, 198233), (1680, 169914), (2016, 141595), (2520, 113276), (3360, 84957), (5040, 56638), (10080, 28319)]