7440390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 21021120

約数和(自身を除く): 13580730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 1621, 2295, 3242, 4590, 4863, 8105, 9726, 14589, 16210, 24315, 27557, 29178, 43767, 48630, 55114, 72945, 82671, 87534, 137785, 145890, 165342, 218835, 248013, 275570, 413355, 437670, 496026, 744039, 826710, 1240065, 1488078, 2480130, 3720195, 7440390]

約数ペア:

[(1, 7440390), (2, 3720195), (3, 2480130), (5, 1488078), (6, 1240065), (9, 826710), (10, 744039), (15, 496026), (17, 437670), (18, 413355), (27, 275570), (30, 248013), (34, 218835), (45, 165342), (51, 145890), (54, 137785), (85, 87534), (90, 82671), (102, 72945), (135, 55114), (153, 48630), (170, 43767), (255, 29178), (270, 27557), (306, 24315), (459, 16210), (510, 14589), (765, 9726), (918, 8105), (1530, 4863), (1621, 4590), (2295, 3242)]