621690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 1679616

約数和(自身を除く): 1057926

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 53, 69, 85, 102, 106, 115, 138, 159, 170, 230, 255, 265, 318, 345, 391, 510, 530, 690, 782, 795, 901, 1173, 1219, 1590, 1802, 1955, 2346, 2438, 2703, 3657, 3910, 4505, 5406, 5865, 6095, 7314, 9010, 11730, 12190, 13515, 18285, 20723, 27030, 36570, 41446, 62169, 103615, 124338, 207230, 310845, 621690]

約数ペア:

[(1, 621690), (2, 310845), (3, 207230), (5, 124338), (6, 103615), (10, 62169), (15, 41446), (17, 36570), (23, 27030), (30, 20723), (34, 18285), (46, 13515), (51, 12190), (53, 11730), (69, 9010), (85, 7314), (102, 6095), (106, 5865), (115, 5406), (138, 4505), (159, 3910), (170, 3657), (230, 2703), (255, 2438), (265, 2346), (318, 1955), (345, 1802), (391, 1590), (510, 1219), (530, 1173), (690, 901), (782, 795)]