1640642724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2086

約数の個数: 144

約数和(自身を含む): 4911169536

約数和(自身を除く): 3270526812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 71, 84, 94, 126, 141, 142, 188, 213, 252, 282, 284, 329, 423, 426, 497, 564, 639, 658, 846, 852, 987, 994, 1278, 1316, 1491, 1692, 1951, 1974, 1988, 2556, 2961, 2982, 3337, 3902, 3948, 4473, 5853, 5922, 5964, 6674, 7804, 8946, 10011, 11706, 11844, 13348, 13657, 17559, 17892, 20022, 23359, 23412, 27314, 30033, 35118, 40044, 40971, 46718, 54628, 60066, 70077, 70236, 81942, 91697, 93436, 120132, 122913, 138521, 140154, 163884, 183394, 210231, 245826, 275091, 277042, 280308, 366788, 415563, 420462, 491652, 550182, 554084, 641879, 825273, 831126, 840924, 969647, 1100364, 1246689, 1283758, 1650546, 1662252, 1925637, 1939294, 2493378, 2567516, 2908941, 3301092, 3851274, 3878588, 4986756, 5776911, 5817882, 6510487, 7702548, 8726823, 11553822, 11635764, 13020974, 17453646, 19531461, 23107644, 26041948, 34907292, 39062922, 45573409, 58594383, 78125844, 91146818, 117188766, 136720227, 182293636, 234377532, 273440454, 410160681, 546880908, 820321362, 1640642724]

約数ペア:

[(1, 1640642724), (2, 820321362), (3, 546880908), (4, 410160681), (6, 273440454), (7, 234377532), (9, 182293636), (12, 136720227), (14, 117188766), (18, 91146818), (21, 78125844), (28, 58594383), (36, 45573409), (42, 39062922), (47, 34907292), (63, 26041948), (71, 23107644), (84, 19531461), (94, 17453646), (126, 13020974), (141, 11635764), (142, 11553822), (188, 8726823), (213, 7702548), (252, 6510487), (282, 5817882), (284, 5776911), (329, 4986756), (423, 3878588), (426, 3851274), (497, 3301092), (564, 2908941), (639, 2567516), (658, 2493378), (846, 1939294), (852, 1925637), (987, 1662252), (994, 1650546), (1278, 1283758), (1316, 1246689), (1491, 1100364), (1692, 969647), (1951, 840924), (1974, 831126), (1988, 825273), (2556, 641879), (2961, 554084), (2982, 550182), (3337, 491652), (3902, 420462), (3948, 415563), (4473, 366788), (5853, 280308), (5922, 277042), (5964, 275091), (6674, 245826), (7804, 210231), (8946, 183394), (10011, 163884), (11706, 140154), (11844, 138521), (13348, 122913), (13657, 120132), (17559, 93436), (17892, 91697), (20022, 81942), (23359, 70236), (23412, 70077), (27314, 60066), (30033, 54628), (35118, 46718), (40044, 40971)]