156680840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 400982400

約数和(自身を除く): 244301560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 67, 68, 76, 85, 95, 134, 136, 152, 170, 181, 190, 268, 323, 335, 340, 362, 380, 536, 646, 670, 680, 724, 760, 905, 1139, 1273, 1292, 1340, 1448, 1615, 1810, 2278, 2546, 2584, 2680, 3077, 3230, 3439, 3620, 4556, 5092, 5695, 6154, 6365, 6460, 6878, 7240, 9112, 10184, 11390, 12127, 12308, 12730, 12920, 13756, 15385, 17195, 21641, 22780, 24254, 24616, 25460, 27512, 30770, 34390, 43282, 45560, 48508, 50920, 58463, 60635, 61540, 68780, 86564, 97016, 108205, 116926, 121270, 123080, 137560, 173128, 206159, 216410, 230413, 233852, 242540, 292315, 412318, 432820, 460826, 467704, 485080, 584630, 824636, 865640, 921652, 1030795, 1152065, 1169260, 1649272, 1843304, 2061590, 2304130, 2338520, 3917021, 4123180, 4608260, 7834042, 8246360, 9216520, 15668084, 19585105, 31336168, 39170210, 78340420, 156680840]

約数ペア:

[(1, 156680840), (2, 78340420), (4, 39170210), (5, 31336168), (8, 19585105), (10, 15668084), (17, 9216520), (19, 8246360), (20, 7834042), (34, 4608260), (38, 4123180), (40, 3917021), (67, 2338520), (68, 2304130), (76, 2061590), (85, 1843304), (95, 1649272), (134, 1169260), (136, 1152065), (152, 1030795), (170, 921652), (181, 865640), (190, 824636), (268, 584630), (323, 485080), (335, 467704), (340, 460826), (362, 432820), (380, 412318), (536, 292315), (646, 242540), (670, 233852), (680, 230413), (724, 216410), (760, 206159), (905, 173128), (1139, 137560), (1273, 123080), (1292, 121270), (1340, 116926), (1448, 108205), (1615, 97016), (1810, 86564), (2278, 68780), (2546, 61540), (2584, 60635), (2680, 58463), (3077, 50920), (3230, 48508), (3439, 45560), (3620, 43282), (4556, 34390), (5092, 30770), (5695, 27512), (6154, 25460), (6365, 24616), (6460, 24254), (6878, 22780), (7240, 21641), (9112, 17195), (10184, 15385), (11390, 13756), (12127, 12920), (12308, 12730)]