55646820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 125974620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 307, 318, 342, 380, 477, 530, 570, 614, 636, 684, 795, 855, 921, 954, 1007, 1060, 1140, 1228, 1535, 1590, 1710, 1842, 1908, 2014, 2385, 2763, 3021, 3070, 3180, 3420, 3684, 4028, 4605, 4770, 5035, 5526, 5833, 6042, 6140, 9063, 9210, 9540, 10070, 11052, 11666, 12084, 13815, 15105, 16271, 17499, 18126, 18420, 20140, 23332, 27630, 29165, 30210, 32542, 34998, 36252, 45315, 48813, 52497, 55260, 58330, 60420, 65084, 69996, 81355, 87495, 90630, 97626, 104994, 116660, 146439, 162710, 174990, 181260, 195252, 209988, 244065, 262485, 292878, 309149, 325420, 349980, 488130, 524970, 585756, 618298, 732195, 927447, 976260, 1049940, 1236596, 1464390, 1545745, 1854894, 2782341, 2928780, 3091490, 3709788, 4637235, 5564682, 6182980, 9274470, 11129364, 13911705, 18548940, 27823410, 55646820]

約数ペア:

[(1, 55646820), (2, 27823410), (3, 18548940), (4, 13911705), (5, 11129364), (6, 9274470), (9, 6182980), (10, 5564682), (12, 4637235), (15, 3709788), (18, 3091490), (19, 2928780), (20, 2782341), (30, 1854894), (36, 1545745), (38, 1464390), (45, 1236596), (53, 1049940), (57, 976260), (60, 927447), (76, 732195), (90, 618298), (95, 585756), (106, 524970), (114, 488130), (159, 349980), (171, 325420), (180, 309149), (190, 292878), (212, 262485), (228, 244065), (265, 209988), (285, 195252), (307, 181260), (318, 174990), (342, 162710), (380, 146439), (477, 116660), (530, 104994), (570, 97626), (614, 90630), (636, 87495), (684, 81355), (795, 69996), (855, 65084), (921, 60420), (954, 58330), (1007, 55260), (1060, 52497), (1140, 48813), (1228, 45315), (1535, 36252), (1590, 34998), (1710, 32542), (1842, 30210), (1908, 29165), (2014, 27630), (2385, 23332), (2763, 20140), (3021, 18420), (3070, 18126), (3180, 17499), (3420, 16271), (3684, 15105), (4028, 13815), (4605, 12084), (4770, 11666), (5035, 11052), (5526, 10070), (5833, 9540), (6042, 9210), (6140, 9063)]