66870440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18371}}^1$

素因数の和:18402

約数の個数: 64

約数和(自身を含む): 185189760

約数和(自身を除く): 118319320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18371, 36742, 73484, 91855, 128597, 146968, 183710, 238823, 257194, 367420, 477646, 514388, 642985, 734840, 955292, 1028776, 1194115, 1285970, 1671761, 1910584, 2388230, 2571940, 3343522, 4776460, 5143880, 6687044, 8358805, 9552920, 13374088, 16717610, 33435220, 66870440]

約数ペア:

[(1, 66870440), (2, 33435220), (4, 16717610), (5, 13374088), (7, 9552920), (8, 8358805), (10, 6687044), (13, 5143880), (14, 4776460), (20, 3343522), (26, 2571940), (28, 2388230), (35, 1910584), (40, 1671761), (52, 1285970), (56, 1194115), (65, 1028776), (70, 955292), (91, 734840), (104, 642985), (130, 514388), (140, 477646), (182, 367420), (260, 257194), (280, 238823), (364, 183710), (455, 146968), (520, 128597), (728, 91855), (910, 73484), (1820, 36742), (3640, 18371)]