218940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 635040

約数和(自身を除く): 416100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 89, 123, 164, 178, 205, 246, 267, 356, 410, 445, 492, 534, 615, 820, 890, 1068, 1230, 1335, 1780, 2460, 2670, 3649, 5340, 7298, 10947, 14596, 18245, 21894, 36490, 43788, 54735, 72980, 109470, 218940]

約数ペア:

[(1, 218940), (2, 109470), (3, 72980), (4, 54735), (5, 43788), (6, 36490), (10, 21894), (12, 18245), (15, 14596), (20, 10947), (30, 7298), (41, 5340), (60, 3649), (82, 2670), (89, 2460), (123, 1780), (164, 1335), (178, 1230), (205, 1068), (246, 890), (267, 820), (356, 615), (410, 534), (445, 492)]