242144720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 584962560

約数和(自身を除く): 342817840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 251, 310, 389, 496, 502, 620, 778, 1004, 1240, 1255, 1556, 1945, 2008, 2480, 2510, 3112, 3890, 4016, 5020, 6224, 7780, 7781, 10040, 12059, 15560, 15562, 20080, 24118, 31120, 31124, 38905, 48236, 60295, 62248, 77810, 96472, 97639, 120590, 124496, 155620, 192944, 195278, 241180, 311240, 390556, 482360, 488195, 622480, 781112, 964720, 976390, 1562224, 1952780, 3026809, 3905560, 6053618, 7811120, 12107236, 15134045, 24214472, 30268090, 48428944, 60536180, 121072360, 242144720]

約数ペア:

[(1, 242144720), (2, 121072360), (4, 60536180), (5, 48428944), (8, 30268090), (10, 24214472), (16, 15134045), (20, 12107236), (31, 7811120), (40, 6053618), (62, 3905560), (80, 3026809), (124, 1952780), (155, 1562224), (248, 976390), (251, 964720), (310, 781112), (389, 622480), (496, 488195), (502, 482360), (620, 390556), (778, 311240), (1004, 241180), (1240, 195278), (1255, 192944), (1556, 155620), (1945, 124496), (2008, 120590), (2480, 97639), (2510, 96472), (3112, 77810), (3890, 62248), (4016, 60295), (5020, 48236), (6224, 38905), (7780, 31124), (7781, 31120), (10040, 24118), (12059, 20080), (15560, 15562)]