152020540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2543}}^1$

素因数の和:2627

約数の個数: 72

約数和(自身を含む): 377600832

約数和(自身を除く): 225580292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2543, 2989, 4270, 5086, 5978, 8540, 10172, 11956, 12715, 14945, 17801, 25430, 29890, 35602, 50860, 59780, 71204, 89005, 124607, 155123, 178010, 249214, 310246, 356020, 498428, 620492, 623035, 775615, 1085861, 1246070, 1551230, 2171722, 2492140, 3102460, 4343444, 5429305, 7601027, 10858610, 15202054, 21717220, 30404108, 38005135, 76010270, 152020540]

約数ペア:

[(1, 152020540), (2, 76010270), (4, 38005135), (5, 30404108), (7, 21717220), (10, 15202054), (14, 10858610), (20, 7601027), (28, 5429305), (35, 4343444), (49, 3102460), (61, 2492140), (70, 2171722), (98, 1551230), (122, 1246070), (140, 1085861), (196, 775615), (244, 623035), (245, 620492), (305, 498428), (427, 356020), (490, 310246), (610, 249214), (854, 178010), (980, 155123), (1220, 124607), (1708, 89005), (2135, 71204), (2543, 59780), (2989, 50860), (4270, 35602), (5086, 29890), (5978, 25430), (8540, 17801), (10172, 14945), (11956, 12715)]