40668390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{64553}}^1$

素因数の和:64573

約数の個数: 48

約数和(自身を含む): 120845088

約数和(自身を除く): 80176698

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 64553, 129106, 193659, 322765, 387318, 451871, 580977, 645530, 903742, 968295, 1161954, 1355613, 1936590, 2259355, 2711226, 2904885, 4066839, 4518710, 5809770, 6778065, 8133678, 13556130, 20334195, 40668390]

約数ペア:

[(1, 40668390), (2, 20334195), (3, 13556130), (5, 8133678), (6, 6778065), (7, 5809770), (9, 4518710), (10, 4066839), (14, 2904885), (15, 2711226), (18, 2259355), (21, 1936590), (30, 1355613), (35, 1161954), (42, 968295), (45, 903742), (63, 645530), (70, 580977), (90, 451871), (105, 387318), (126, 322765), (210, 193659), (315, 129106), (630, 64553)]