156955960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 429811200

約数和(自身を除く): 272855240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 163, 181, 190, 266, 280, 326, 362, 380, 532, 652, 665, 724, 760, 815, 905, 1064, 1141, 1267, 1304, 1330, 1448, 1630, 1810, 2282, 2534, 2660, 3097, 3260, 3439, 3620, 4564, 5068, 5320, 5705, 6194, 6335, 6520, 6878, 7240, 9128, 10136, 11410, 12388, 12670, 13756, 15485, 17195, 21679, 22820, 24073, 24776, 25340, 27512, 29503, 30970, 34390, 43358, 45640, 48146, 50680, 59006, 61940, 68780, 86716, 96292, 108395, 118012, 120365, 123880, 137560, 147515, 173432, 192584, 206521, 216790, 236024, 240730, 295030, 413042, 433580, 481460, 560557, 590060, 826084, 867160, 962920, 1032605, 1121114, 1180120, 1652168, 2065210, 2242228, 2802785, 3923899, 4130420, 4484456, 5605570, 7847798, 8260840, 11211140, 15695596, 19619495, 22422280, 31391192, 39238990, 78477980, 156955960]

約数ペア:

[(1, 156955960), (2, 78477980), (4, 39238990), (5, 31391192), (7, 22422280), (8, 19619495), (10, 15695596), (14, 11211140), (19, 8260840), (20, 7847798), (28, 5605570), (35, 4484456), (38, 4130420), (40, 3923899), (56, 2802785), (70, 2242228), (76, 2065210), (95, 1652168), (133, 1180120), (140, 1121114), (152, 1032605), (163, 962920), (181, 867160), (190, 826084), (266, 590060), (280, 560557), (326, 481460), (362, 433580), (380, 413042), (532, 295030), (652, 240730), (665, 236024), (724, 216790), (760, 206521), (815, 192584), (905, 173432), (1064, 147515), (1141, 137560), (1267, 123880), (1304, 120365), (1330, 118012), (1448, 108395), (1630, 96292), (1810, 86716), (2282, 68780), (2534, 61940), (2660, 59006), (3097, 50680), (3260, 48146), (3439, 45640), (3620, 43358), (4564, 34390), (5068, 30970), (5320, 29503), (5705, 27512), (6194, 25340), (6335, 24776), (6520, 24073), (6878, 22820), (7240, 21679), (9128, 17195), (10136, 15485), (11410, 13756), (12388, 12670)]