123438210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20269}}^1$

素因数の和:20315

約数の個数: 64

約数和(自身を含む): 350265600

約数和(自身を除く): 226827390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 6090, 20269, 40538, 60807, 101345, 121614, 141883, 202690, 283766, 304035, 425649, 587801, 608070, 709415, 851298, 1175602, 1418830, 1763403, 2128245, 2939005, 3526806, 4114607, 4256490, 5878010, 8229214, 8817015, 12343821, 17634030, 20573035, 24687642, 41146070, 61719105, 123438210]

約数ペア:

[(1, 123438210), (2, 61719105), (3, 41146070), (5, 24687642), (6, 20573035), (7, 17634030), (10, 12343821), (14, 8817015), (15, 8229214), (21, 5878010), (29, 4256490), (30, 4114607), (35, 3526806), (42, 2939005), (58, 2128245), (70, 1763403), (87, 1418830), (105, 1175602), (145, 851298), (174, 709415), (203, 608070), (210, 587801), (290, 425649), (406, 304035), (435, 283766), (609, 202690), (870, 141883), (1015, 121614), (1218, 101345), (2030, 60807), (3045, 40538), (6090, 20269)]