163922920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 439084800

約数和(自身を除く): 275161880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 109, 131, 140, 164, 205, 218, 262, 280, 287, 328, 410, 436, 524, 545, 574, 655, 763, 820, 872, 917, 1048, 1090, 1148, 1310, 1435, 1526, 1640, 1834, 2180, 2296, 2620, 2870, 3052, 3668, 3815, 4360, 4469, 4585, 5240, 5371, 5740, 6104, 7336, 7630, 8938, 9170, 10742, 11480, 14279, 15260, 17876, 18340, 21484, 22345, 26855, 28558, 30520, 31283, 35752, 36680, 37597, 42968, 44690, 53710, 57116, 62566, 71395, 75194, 89380, 99953, 107420, 114232, 125132, 142790, 150388, 156415, 178760, 187985, 199906, 214840, 250264, 285580, 300776, 312830, 375970, 399812, 499765, 571160, 585439, 625660, 751940, 799624, 999530, 1170878, 1251320, 1503880, 1999060, 2341756, 2927195, 3998120, 4098073, 4683512, 5854390, 8196146, 11708780, 16392292, 20490365, 23417560, 32784584, 40980730, 81961460, 163922920]

約数ペア:

[(1, 163922920), (2, 81961460), (4, 40980730), (5, 32784584), (7, 23417560), (8, 20490365), (10, 16392292), (14, 11708780), (20, 8196146), (28, 5854390), (35, 4683512), (40, 4098073), (41, 3998120), (56, 2927195), (70, 2341756), (82, 1999060), (109, 1503880), (131, 1251320), (140, 1170878), (164, 999530), (205, 799624), (218, 751940), (262, 625660), (280, 585439), (287, 571160), (328, 499765), (410, 399812), (436, 375970), (524, 312830), (545, 300776), (574, 285580), (655, 250264), (763, 214840), (820, 199906), (872, 187985), (917, 178760), (1048, 156415), (1090, 150388), (1148, 142790), (1310, 125132), (1435, 114232), (1526, 107420), (1640, 99953), (1834, 89380), (2180, 75194), (2296, 71395), (2620, 62566), (2870, 57116), (3052, 53710), (3668, 44690), (3815, 42968), (4360, 37597), (4469, 36680), (4585, 35752), (5240, 31283), (5371, 30520), (5740, 28558), (6104, 26855), (7336, 22345), (7630, 21484), (8938, 18340), (9170, 17876), (10742, 15260), (11480, 14279)]