28902120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 94832640

約数和(自身を除く): 65930520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 191, 194, 195, 260, 291, 312, 382, 388, 390, 485, 520, 573, 582, 764, 776, 780, 955, 970, 1146, 1164, 1261, 1455, 1528, 1560, 1910, 1940, 2292, 2328, 2483, 2522, 2865, 2910, 3783, 3820, 3880, 4584, 4966, 5044, 5730, 5820, 6305, 7449, 7566, 7640, 9932, 10088, 11460, 11640, 12415, 12610, 14898, 15132, 18527, 18915, 19864, 22920, 24830, 25220, 29796, 30264, 37054, 37245, 37830, 49660, 50440, 55581, 59592, 74108, 74490, 75660, 92635, 99320, 111162, 148216, 148980, 151320, 185270, 222324, 240851, 277905, 297960, 370540, 444648, 481702, 555810, 722553, 741080, 963404, 1111620, 1204255, 1445106, 1926808, 2223240, 2408510, 2890212, 3612765, 4817020, 5780424, 7225530, 9634040, 14451060, 28902120]

約数ペア:

[(1, 28902120), (2, 14451060), (3, 9634040), (4, 7225530), (5, 5780424), (6, 4817020), (8, 3612765), (10, 2890212), (12, 2408510), (13, 2223240), (15, 1926808), (20, 1445106), (24, 1204255), (26, 1111620), (30, 963404), (39, 741080), (40, 722553), (52, 555810), (60, 481702), (65, 444648), (78, 370540), (97, 297960), (104, 277905), (120, 240851), (130, 222324), (156, 185270), (191, 151320), (194, 148980), (195, 148216), (260, 111162), (291, 99320), (312, 92635), (382, 75660), (388, 74490), (390, 74108), (485, 59592), (520, 55581), (573, 50440), (582, 49660), (764, 37830), (776, 37245), (780, 37054), (955, 30264), (970, 29796), (1146, 25220), (1164, 24830), (1261, 22920), (1455, 19864), (1528, 18915), (1560, 18527), (1910, 15132), (1940, 14898), (2292, 12610), (2328, 12415), (2483, 11640), (2522, 11460), (2865, 10088), (2910, 9932), (3783, 7640), (3820, 7566), (3880, 7449), (4584, 6305), (4966, 5820), (5044, 5730)]