280478328

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 797368320

約数和(自身を除く): 516889992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 47, 52, 62, 78, 93, 94, 104, 124, 141, 156, 186, 188, 248, 282, 312, 372, 376, 403, 564, 611, 617, 744, 806, 1128, 1209, 1222, 1234, 1457, 1612, 1833, 1851, 2418, 2444, 2468, 2914, 3224, 3666, 3702, 4371, 4836, 4888, 4936, 5828, 7332, 7404, 8021, 8742, 9672, 11656, 14664, 14808, 16042, 17484, 18941, 19127, 24063, 28999, 32084, 34968, 37882, 38254, 48126, 56823, 57381, 57998, 64168, 75764, 76508, 86997, 96252, 113646, 114762, 115996, 151528, 153016, 173994, 192504, 227292, 229524, 231992, 248651, 347988, 376987, 454584, 459048, 497302, 695976, 745953, 753974, 898969, 994604, 1130961, 1491906, 1507948, 1797938, 1989208, 2261922, 2696907, 2983812, 3015896, 3595876, 4523844, 5393814, 5967624, 7191752, 9047688, 10787628, 11686597, 21575256, 23373194, 35059791, 46746388, 70119582, 93492776, 140239164, 280478328]

約数ペア:

[(1, 280478328), (2, 140239164), (3, 93492776), (4, 70119582), (6, 46746388), (8, 35059791), (12, 23373194), (13, 21575256), (24, 11686597), (26, 10787628), (31, 9047688), (39, 7191752), (47, 5967624), (52, 5393814), (62, 4523844), (78, 3595876), (93, 3015896), (94, 2983812), (104, 2696907), (124, 2261922), (141, 1989208), (156, 1797938), (186, 1507948), (188, 1491906), (248, 1130961), (282, 994604), (312, 898969), (372, 753974), (376, 745953), (403, 695976), (564, 497302), (611, 459048), (617, 454584), (744, 376987), (806, 347988), (1128, 248651), (1209, 231992), (1222, 229524), (1234, 227292), (1457, 192504), (1612, 173994), (1833, 153016), (1851, 151528), (2418, 115996), (2444, 114762), (2468, 113646), (2914, 96252), (3224, 86997), (3666, 76508), (3702, 75764), (4371, 64168), (4836, 57998), (4888, 57381), (4936, 56823), (5828, 48126), (7332, 38254), (7404, 37882), (8021, 34968), (8742, 32084), (9672, 28999), (11656, 24063), (14664, 19127), (14808, 18941), (16042, 17484)]