1221019020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2473}}^1$

素因数の和:2712

約数の個数: 144

約数和(自身を含む): 4009186272

約数和(自身を除く): 2788167252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 211, 234, 260, 390, 422, 468, 585, 633, 780, 844, 1055, 1170, 1266, 1899, 2110, 2340, 2473, 2532, 2743, 3165, 3798, 4220, 4946, 5486, 6330, 7419, 7596, 8229, 9495, 9892, 10972, 12365, 12660, 13715, 14838, 16458, 18990, 22257, 24687, 24730, 27430, 29676, 32149, 32916, 37095, 37980, 41145, 44514, 49374, 49460, 54860, 64298, 74190, 82290, 89028, 96447, 98748, 111285, 123435, 128596, 148380, 160745, 164580, 192894, 222570, 246870, 289341, 321490, 385788, 445140, 482235, 493740, 521803, 578682, 642980, 964470, 1043606, 1157364, 1446705, 1565409, 1928940, 2087212, 2609015, 2893410, 3130818, 4696227, 5218030, 5786820, 6261636, 6783439, 7827045, 9392454, 10436060, 13566878, 15654090, 18784908, 20350317, 23481135, 27133756, 31308180, 33917195, 40700634, 46962270, 61050951, 67834390, 81401268, 93924540, 101751585, 122101902, 135668780, 203503170, 244203804, 305254755, 407006340, 610509510, 1221019020]

約数ペア:

[(1, 1221019020), (2, 610509510), (3, 407006340), (4, 305254755), (5, 244203804), (6, 203503170), (9, 135668780), (10, 122101902), (12, 101751585), (13, 93924540), (15, 81401268), (18, 67834390), (20, 61050951), (26, 46962270), (30, 40700634), (36, 33917195), (39, 31308180), (45, 27133756), (52, 23481135), (60, 20350317), (65, 18784908), (78, 15654090), (90, 13566878), (117, 10436060), (130, 9392454), (156, 7827045), (180, 6783439), (195, 6261636), (211, 5786820), (234, 5218030), (260, 4696227), (390, 3130818), (422, 2893410), (468, 2609015), (585, 2087212), (633, 1928940), (780, 1565409), (844, 1446705), (1055, 1157364), (1170, 1043606), (1266, 964470), (1899, 642980), (2110, 578682), (2340, 521803), (2473, 493740), (2532, 482235), (2743, 445140), (3165, 385788), (3798, 321490), (4220, 289341), (4946, 246870), (5486, 222570), (6330, 192894), (7419, 164580), (7596, 160745), (8229, 148380), (9495, 128596), (9892, 123435), (10972, 111285), (12365, 98748), (12660, 96447), (13715, 89028), (14838, 82290), (16458, 74190), (18990, 64298), (22257, 54860), (24687, 49460), (24730, 49374), (27430, 44514), (29676, 41145), (32149, 37980), (32916, 37095)]