1262328990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:714

約数の個数: 128

約数和(自身を含む): 3389202432

約数和(自身を除く): 2126873442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 263, 310, 390, 397, 403, 465, 526, 789, 794, 806, 930, 1191, 1209, 1315, 1578, 1985, 2015, 2382, 2418, 2630, 3419, 3945, 3970, 4030, 5161, 5955, 6045, 6838, 7890, 8153, 10257, 10322, 11910, 12090, 12307, 15483, 16306, 17095, 20514, 24459, 24614, 25805, 30966, 34190, 36921, 40765, 48918, 51285, 51610, 61535, 73842, 77415, 81530, 102570, 104411, 105989, 122295, 123070, 154830, 159991, 184605, 208822, 211978, 244590, 313233, 317967, 319982, 369210, 479973, 522055, 529945, 626466, 635934, 799955, 959946, 1044110, 1059890, 1357343, 1566165, 1589835, 1599910, 2399865, 2714686, 3132330, 3179670, 3236741, 4072029, 4799730, 6473482, 6786715, 8144058, 9710223, 13573430, 16183705, 19420446, 20360145, 32367410, 40720290, 42077633, 48551115, 84155266, 97102230, 126232899, 210388165, 252465798, 420776330, 631164495, 1262328990]

約数ペア:

[(1, 1262328990), (2, 631164495), (3, 420776330), (5, 252465798), (6, 210388165), (10, 126232899), (13, 97102230), (15, 84155266), (26, 48551115), (30, 42077633), (31, 40720290), (39, 32367410), (62, 20360145), (65, 19420446), (78, 16183705), (93, 13573430), (130, 9710223), (155, 8144058), (186, 6786715), (195, 6473482), (263, 4799730), (310, 4072029), (390, 3236741), (397, 3179670), (403, 3132330), (465, 2714686), (526, 2399865), (789, 1599910), (794, 1589835), (806, 1566165), (930, 1357343), (1191, 1059890), (1209, 1044110), (1315, 959946), (1578, 799955), (1985, 635934), (2015, 626466), (2382, 529945), (2418, 522055), (2630, 479973), (3419, 369210), (3945, 319982), (3970, 317967), (4030, 313233), (5161, 244590), (5955, 211978), (6045, 208822), (6838, 184605), (7890, 159991), (8153, 154830), (10257, 123070), (10322, 122295), (11910, 105989), (12090, 104411), (12307, 102570), (15483, 81530), (16306, 77415), (17095, 73842), (20514, 61535), (24459, 51610), (24614, 51285), (25805, 48918), (30966, 40765), (34190, 36921)]