18378900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2269}}^1$

素因数の和:2295

約数の個数: 90

約数和(自身を含む): 59603390

約数和(自身を除く): 41224490

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2269, 2700, 4050, 4538, 6807, 8100, 9076, 11345, 13614, 20421, 22690, 27228, 34035, 40842, 45380, 56725, 61263, 68070, 81684, 102105, 113450, 122526, 136140, 170175, 183789, 204210, 226900, 245052, 306315, 340350, 367578, 408420, 510525, 612630, 680700, 735156, 918945, 1021050, 1225260, 1531575, 1837890, 2042100, 3063150, 3675780, 4594725, 6126300, 9189450, 18378900]

約数ペア:

[(1, 18378900), (2, 9189450), (3, 6126300), (4, 4594725), (5, 3675780), (6, 3063150), (9, 2042100), (10, 1837890), (12, 1531575), (15, 1225260), (18, 1021050), (20, 918945), (25, 735156), (27, 680700), (30, 612630), (36, 510525), (45, 408420), (50, 367578), (54, 340350), (60, 306315), (75, 245052), (81, 226900), (90, 204210), (100, 183789), (108, 170175), (135, 136140), (150, 122526), (162, 113450), (180, 102105), (225, 81684), (270, 68070), (300, 61263), (324, 56725), (405, 45380), (450, 40842), (540, 34035), (675, 27228), (810, 22690), (900, 20421), (1350, 13614), (1620, 11345), (2025, 9076), (2269, 8100), (2700, 6807), (4050, 4538)]