251490420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 168

約数和(自身を含む): 810883584

約数和(自身を除く): 559393164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 282, 324, 367, 405, 423, 470, 486, 540, 564, 705, 729, 734, 810, 846, 940, 972, 1101, 1215, 1269, 1410, 1458, 1468, 1620, 1692, 1835, 2115, 2202, 2430, 2538, 2820, 2916, 3303, 3645, 3670, 3807, 4230, 4404, 4860, 5076, 5505, 6345, 6606, 7290, 7340, 7614, 8460, 9909, 11010, 11421, 12690, 13212, 14580, 15228, 16515, 17249, 19035, 19818, 22020, 22842, 25380, 29727, 33030, 34263, 34498, 38070, 39636, 45684, 49545, 51747, 57105, 59454, 66060, 68526, 68996, 76140, 86245, 89181, 99090, 103494, 114210, 118908, 137052, 148635, 155241, 171315, 172490, 178362, 198180, 206988, 228420, 258735, 267543, 297270, 310482, 342630, 344980, 356724, 445905, 465723, 517470, 535086, 594540, 620964, 685260, 776205, 891810, 931446, 1034940, 1070172, 1337715, 1397169, 1552410, 1783620, 1862892, 2328615, 2675430, 2794338, 3104820, 4191507, 4657230, 5350860, 5588676, 6985845, 8383014, 9314460, 12574521, 13971690, 16766028, 20957535, 25149042, 27943380, 41915070, 50298084, 62872605, 83830140, 125745210, 251490420]

約数ペア:

[(1, 251490420), (2, 125745210), (3, 83830140), (4, 62872605), (5, 50298084), (6, 41915070), (9, 27943380), (10, 25149042), (12, 20957535), (15, 16766028), (18, 13971690), (20, 12574521), (27, 9314460), (30, 8383014), (36, 6985845), (45, 5588676), (47, 5350860), (54, 4657230), (60, 4191507), (81, 3104820), (90, 2794338), (94, 2675430), (108, 2328615), (135, 1862892), (141, 1783620), (162, 1552410), (180, 1397169), (188, 1337715), (235, 1070172), (243, 1034940), (270, 931446), (282, 891810), (324, 776205), (367, 685260), (405, 620964), (423, 594540), (470, 535086), (486, 517470), (540, 465723), (564, 445905), (705, 356724), (729, 344980), (734, 342630), (810, 310482), (846, 297270), (940, 267543), (972, 258735), (1101, 228420), (1215, 206988), (1269, 198180), (1410, 178362), (1458, 172490), (1468, 171315), (1620, 155241), (1692, 148635), (1835, 137052), (2115, 118908), (2202, 114210), (2430, 103494), (2538, 99090), (2820, 89181), (2916, 86245), (3303, 76140), (3645, 68996), (3670, 68526), (3807, 66060), (4230, 59454), (4404, 57105), (4860, 51747), (5076, 49545), (5505, 45684), (6345, 39636), (6606, 38070), (7290, 34498), (7340, 34263), (7614, 33030), (8460, 29727), (9909, 25380), (11010, 22842), (11421, 22020), (12690, 19818), (13212, 19035), (14580, 17249), (15228, 16515)]