28443720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 92067840

約数和(自身を除く): 63624120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 191, 204, 219, 255, 292, 340, 365, 382, 408, 438, 510, 573, 584, 680, 730, 764, 876, 955, 1020, 1095, 1146, 1241, 1460, 1528, 1752, 1910, 2040, 2190, 2292, 2482, 2865, 2920, 3247, 3723, 3820, 4380, 4584, 4964, 5730, 6205, 6494, 7446, 7640, 8760, 9741, 9928, 11460, 12410, 12988, 13943, 14892, 16235, 18615, 19482, 22920, 24820, 25976, 27886, 29784, 32470, 37230, 38964, 41829, 48705, 49640, 55772, 64940, 69715, 74460, 77928, 83658, 97410, 111544, 129880, 139430, 148920, 167316, 194820, 209145, 237031, 278860, 334632, 389640, 418290, 474062, 557720, 711093, 836580, 948124, 1185155, 1422186, 1673160, 1896248, 2370310, 2844372, 3555465, 4740620, 5688744, 7110930, 9481240, 14221860, 28443720]

約数ペア:

[(1, 28443720), (2, 14221860), (3, 9481240), (4, 7110930), (5, 5688744), (6, 4740620), (8, 3555465), (10, 2844372), (12, 2370310), (15, 1896248), (17, 1673160), (20, 1422186), (24, 1185155), (30, 948124), (34, 836580), (40, 711093), (51, 557720), (60, 474062), (68, 418290), (73, 389640), (85, 334632), (102, 278860), (120, 237031), (136, 209145), (146, 194820), (170, 167316), (191, 148920), (204, 139430), (219, 129880), (255, 111544), (292, 97410), (340, 83658), (365, 77928), (382, 74460), (408, 69715), (438, 64940), (510, 55772), (573, 49640), (584, 48705), (680, 41829), (730, 38964), (764, 37230), (876, 32470), (955, 29784), (1020, 27886), (1095, 25976), (1146, 24820), (1241, 22920), (1460, 19482), (1528, 18615), (1752, 16235), (1910, 14892), (2040, 13943), (2190, 12988), (2292, 12410), (2482, 11460), (2865, 9928), (2920, 9741), (3247, 8760), (3723, 7640), (3820, 7446), (4380, 6494), (4584, 6205), (4964, 5730)]