1279604856

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:881

約数の個数: 128

約数和(自身を含む): 3507609600

約数和(自身を除く): 2228004744

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 131, 152, 186, 228, 248, 262, 372, 393, 456, 524, 589, 691, 744, 786, 1048, 1178, 1382, 1572, 1767, 2073, 2356, 2489, 2764, 3144, 3534, 4061, 4146, 4712, 4978, 5528, 7068, 7467, 8122, 8292, 9956, 12183, 13129, 14136, 14934, 16244, 16584, 19912, 21421, 24366, 26258, 29868, 32488, 39387, 42842, 48732, 52516, 59736, 64263, 77159, 78774, 85684, 90521, 97464, 105032, 128526, 154318, 157548, 171368, 181042, 231477, 257052, 271563, 308636, 315096, 362084, 406999, 462954, 514104, 543126, 617272, 724168, 813998, 925908, 1086252, 1220997, 1627996, 1719899, 1851816, 2172504, 2441994, 2806151, 3255992, 3439798, 4883988, 5159697, 5612302, 6879596, 8418453, 9767976, 10319394, 11224604, 13759192, 16836906, 20638788, 22449208, 33673812, 41277576, 53316869, 67347624, 106633738, 159950607, 213267476, 319901214, 426534952, 639802428, 1279604856]

約数ペア:

[(1, 1279604856), (2, 639802428), (3, 426534952), (4, 319901214), (6, 213267476), (8, 159950607), (12, 106633738), (19, 67347624), (24, 53316869), (31, 41277576), (38, 33673812), (57, 22449208), (62, 20638788), (76, 16836906), (93, 13759192), (114, 11224604), (124, 10319394), (131, 9767976), (152, 8418453), (186, 6879596), (228, 5612302), (248, 5159697), (262, 4883988), (372, 3439798), (393, 3255992), (456, 2806151), (524, 2441994), (589, 2172504), (691, 1851816), (744, 1719899), (786, 1627996), (1048, 1220997), (1178, 1086252), (1382, 925908), (1572, 813998), (1767, 724168), (2073, 617272), (2356, 543126), (2489, 514104), (2764, 462954), (3144, 406999), (3534, 362084), (4061, 315096), (4146, 308636), (4712, 271563), (4978, 257052), (5528, 231477), (7068, 181042), (7467, 171368), (8122, 157548), (8292, 154318), (9956, 128526), (12183, 105032), (13129, 97464), (14136, 90521), (14934, 85684), (16244, 78774), (16584, 77159), (19912, 64263), (21421, 59736), (24366, 52516), (26258, 48732), (29868, 42842), (32488, 39387)]