1997580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 6087312

約数和(自身を除く): 4089732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 197, 260, 338, 390, 394, 507, 591, 676, 780, 788, 845, 985, 1014, 1182, 1690, 1970, 2028, 2364, 2535, 2561, 2955, 3380, 3940, 5070, 5122, 5910, 7683, 10140, 10244, 11820, 12805, 15366, 25610, 30732, 33293, 38415, 51220, 66586, 76830, 99879, 133172, 153660, 166465, 199758, 332930, 399516, 499395, 665860, 998790, 1997580]

約数ペア:

[(1, 1997580), (2, 998790), (3, 665860), (4, 499395), (5, 399516), (6, 332930), (10, 199758), (12, 166465), (13, 153660), (15, 133172), (20, 99879), (26, 76830), (30, 66586), (39, 51220), (52, 38415), (60, 33293), (65, 30732), (78, 25610), (130, 15366), (156, 12805), (169, 11820), (195, 10244), (197, 10140), (260, 7683), (338, 5910), (390, 5122), (394, 5070), (507, 3940), (591, 3380), (676, 2955), (780, 2561), (788, 2535), (845, 2364), (985, 2028), (1014, 1970), (1182, 1690)]