30143720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 72712080

約数和(自身を除く): 42568360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 457, 485, 680, 776, 914, 970, 1649, 1828, 1940, 2285, 3298, 3656, 3880, 4570, 6596, 7769, 8245, 9140, 13192, 15538, 16490, 18280, 31076, 32980, 38845, 44329, 62152, 65960, 77690, 88658, 155380, 177316, 221645, 310760, 354632, 443290, 753593, 886580, 1507186, 1773160, 3014372, 3767965, 6028744, 7535930, 15071860, 30143720]

約数ペア:

[(1, 30143720), (2, 15071860), (4, 7535930), (5, 6028744), (8, 3767965), (10, 3014372), (17, 1773160), (20, 1507186), (34, 886580), (40, 753593), (68, 443290), (85, 354632), (97, 310760), (136, 221645), (170, 177316), (194, 155380), (340, 88658), (388, 77690), (457, 65960), (485, 62152), (680, 44329), (776, 38845), (914, 32980), (970, 31076), (1649, 18280), (1828, 16490), (1940, 15538), (2285, 13192), (3298, 9140), (3656, 8245), (3880, 7769), (4570, 6596)]