7212420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2389

約数の個数: 72

約数和(自身を含む): 23174424

約数和(自身を除く): 15962004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 2357, 3060, 4714, 7071, 9428, 11785, 14142, 21213, 23570, 28284, 35355, 40069, 42426, 47140, 70710, 80138, 84852, 106065, 120207, 141420, 160276, 200345, 212130, 240414, 360621, 400690, 424260, 480828, 601035, 721242, 801380, 1202070, 1442484, 1803105, 2404140, 3606210, 7212420]

約数ペア:

[(1, 7212420), (2, 3606210), (3, 2404140), (4, 1803105), (5, 1442484), (6, 1202070), (9, 801380), (10, 721242), (12, 601035), (15, 480828), (17, 424260), (18, 400690), (20, 360621), (30, 240414), (34, 212130), (36, 200345), (45, 160276), (51, 141420), (60, 120207), (68, 106065), (85, 84852), (90, 80138), (102, 70710), (153, 47140), (170, 42426), (180, 40069), (204, 35355), (255, 28284), (306, 23570), (340, 21213), (510, 14142), (612, 11785), (765, 9428), (1020, 7071), (1530, 4714), (2357, 3060)]