163971520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 112

約数和(自身を含む): 416052000

約数和(自身を除く): 252080480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 149, 152, 160, 181, 190, 298, 304, 320, 362, 380, 596, 608, 724, 745, 760, 905, 1192, 1216, 1448, 1490, 1520, 1810, 2384, 2831, 2896, 2980, 3040, 3439, 3620, 4768, 5662, 5792, 5960, 6080, 6878, 7240, 9536, 11324, 11584, 11920, 13756, 14155, 14480, 17195, 22648, 23840, 26969, 27512, 28310, 28960, 34390, 45296, 47680, 53938, 55024, 56620, 57920, 68780, 90592, 107876, 110048, 113240, 134845, 137560, 181184, 215752, 220096, 226480, 269690, 275120, 431504, 452960, 512411, 539380, 550240, 863008, 905920, 1024822, 1078760, 1100480, 1726016, 2049644, 2157520, 2562055, 4099288, 4315040, 5124110, 8198576, 8630080, 10248220, 16397152, 20496440, 32794304, 40992880, 81985760, 163971520]

約数ペア:

[(1, 163971520), (2, 81985760), (4, 40992880), (5, 32794304), (8, 20496440), (10, 16397152), (16, 10248220), (19, 8630080), (20, 8198576), (32, 5124110), (38, 4315040), (40, 4099288), (64, 2562055), (76, 2157520), (80, 2049644), (95, 1726016), (149, 1100480), (152, 1078760), (160, 1024822), (181, 905920), (190, 863008), (298, 550240), (304, 539380), (320, 512411), (362, 452960), (380, 431504), (596, 275120), (608, 269690), (724, 226480), (745, 220096), (760, 215752), (905, 181184), (1192, 137560), (1216, 134845), (1448, 113240), (1490, 110048), (1520, 107876), (1810, 90592), (2384, 68780), (2831, 57920), (2896, 56620), (2980, 55024), (3040, 53938), (3439, 47680), (3620, 45296), (4768, 34390), (5662, 28960), (5792, 28310), (5960, 27512), (6080, 26969), (6878, 23840), (7240, 22648), (9536, 17195), (11324, 14480), (11584, 14155), (11920, 13756)]