64994020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 175609728

約数和(自身を除く): 110615708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 67, 70, 82, 91, 130, 134, 140, 164, 169, 182, 205, 260, 268, 287, 335, 338, 364, 410, 455, 469, 533, 574, 670, 676, 820, 845, 871, 910, 938, 1066, 1148, 1183, 1340, 1435, 1690, 1742, 1820, 1876, 2132, 2345, 2366, 2665, 2747, 2870, 3380, 3484, 3731, 4355, 4690, 4732, 5330, 5494, 5740, 5915, 6097, 6929, 7462, 8710, 9380, 10660, 10988, 11323, 11830, 12194, 13735, 13858, 14924, 17420, 18655, 19229, 22646, 23660, 24388, 27470, 27716, 30485, 34645, 35711, 37310, 38458, 45292, 48503, 54940, 56615, 60970, 69290, 71422, 74620, 76916, 79261, 96145, 97006, 113230, 121940, 138580, 142844, 158522, 178555, 192290, 194012, 226460, 242515, 249977, 317044, 357110, 384580, 396305, 464243, 485030, 499954, 714220, 792610, 928486, 970060, 999908, 1249885, 1585220, 1856972, 2321215, 2499770, 3249701, 4642430, 4999540, 6499402, 9284860, 12998804, 16248505, 32497010, 64994020]

約数ペア:

[(1, 64994020), (2, 32497010), (4, 16248505), (5, 12998804), (7, 9284860), (10, 6499402), (13, 4999540), (14, 4642430), (20, 3249701), (26, 2499770), (28, 2321215), (35, 1856972), (41, 1585220), (52, 1249885), (65, 999908), (67, 970060), (70, 928486), (82, 792610), (91, 714220), (130, 499954), (134, 485030), (140, 464243), (164, 396305), (169, 384580), (182, 357110), (205, 317044), (260, 249977), (268, 242515), (287, 226460), (335, 194012), (338, 192290), (364, 178555), (410, 158522), (455, 142844), (469, 138580), (533, 121940), (574, 113230), (670, 97006), (676, 96145), (820, 79261), (845, 76916), (871, 74620), (910, 71422), (938, 69290), (1066, 60970), (1148, 56615), (1183, 54940), (1340, 48503), (1435, 45292), (1690, 38458), (1742, 37310), (1820, 35711), (1876, 34645), (2132, 30485), (2345, 27716), (2366, 27470), (2665, 24388), (2747, 23660), (2870, 22646), (3380, 19229), (3484, 18655), (3731, 17420), (4355, 14924), (4690, 13858), (4732, 13735), (5330, 12194), (5494, 11830), (5740, 11323), (5915, 10988), (6097, 10660), (6929, 9380), (7462, 8710)]