78431080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 146554520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 280, 290, 364, 377, 406, 455, 520, 580, 728, 743, 754, 812, 910, 1015, 1160, 1486, 1508, 1624, 1820, 1885, 2030, 2639, 2972, 3016, 3640, 3715, 3770, 4060, 5201, 5278, 5944, 7430, 7540, 8120, 9659, 10402, 10556, 13195, 14860, 15080, 19318, 20804, 21112, 21547, 26005, 26390, 29720, 38636, 41608, 43094, 48295, 52010, 52780, 67613, 77272, 86188, 96590, 104020, 105560, 107735, 135226, 150829, 172376, 193180, 208040, 215470, 270452, 280111, 301658, 338065, 386360, 430940, 540904, 560222, 603316, 676130, 754145, 861880, 1120444, 1206632, 1352260, 1400555, 1508290, 1960777, 2240888, 2704520, 2801110, 3016580, 3921554, 5602220, 6033160, 7843108, 9803885, 11204440, 15686216, 19607770, 39215540, 78431080]

約数ペア:

[(1, 78431080), (2, 39215540), (4, 19607770), (5, 15686216), (7, 11204440), (8, 9803885), (10, 7843108), (13, 6033160), (14, 5602220), (20, 3921554), (26, 3016580), (28, 2801110), (29, 2704520), (35, 2240888), (40, 1960777), (52, 1508290), (56, 1400555), (58, 1352260), (65, 1206632), (70, 1120444), (91, 861880), (104, 754145), (116, 676130), (130, 603316), (140, 560222), (145, 540904), (182, 430940), (203, 386360), (232, 338065), (260, 301658), (280, 280111), (290, 270452), (364, 215470), (377, 208040), (406, 193180), (455, 172376), (520, 150829), (580, 135226), (728, 107735), (743, 105560), (754, 104020), (812, 96590), (910, 86188), (1015, 77272), (1160, 67613), (1486, 52780), (1508, 52010), (1624, 48295), (1820, 43094), (1885, 41608), (2030, 38636), (2639, 29720), (2972, 26390), (3016, 26005), (3640, 21547), (3715, 21112), (3770, 20804), (4060, 19318), (5201, 15080), (5278, 14860), (5944, 13195), (7430, 10556), (7540, 10402), (8120, 9659)]