2017860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 6148800

約数和(自身を除く): 4130940

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, 199, 260, 338, 390, 398, 507, 597, 676, 780, 796, 845, 995, 1014, 1194, 1690, 1990, 2028, 2388, 2535, 2587, 2985, 3380, 3980, 5070, 5174, 5970, 7761, 10140, 10348, 11940, 12935, 15522, 25870, 31044, 33631, 38805, 51740, 67262, 77610, 100893, 134524, 155220, 168155, 201786, 336310, 403572, 504465, 672620, 1008930, 2017860]

約数ペア:

[(1, 2017860), (2, 1008930), (3, 672620), (4, 504465), (5, 403572), (6, 336310), (10, 201786), (12, 168155), (13, 155220), (15, 134524), (20, 100893), (26, 77610), (30, 67262), (39, 51740), (52, 38805), (60, 33631), (65, 31044), (78, 25870), (130, 15522), (156, 12935), (169, 11940), (195, 10348), (199, 10140), (260, 7761), (338, 5970), (390, 5174), (398, 5070), (507, 3980), (597, 3380), (676, 2985), (780, 2587), (796, 2535), (845, 2388), (995, 2028), (1014, 1990), (1194, 1690)]