28238640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 88515168

約数和(自身を除く): 60276528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1213, 1455, 1552, 1940, 2328, 2426, 2910, 3639, 3880, 4656, 4852, 5820, 6065, 7278, 7760, 9704, 11640, 12130, 14556, 18195, 19408, 23280, 24260, 29112, 36390, 48520, 58224, 72780, 97040, 117661, 145560, 235322, 291120, 352983, 470644, 588305, 705966, 941288, 1176610, 1411932, 1764915, 1882576, 2353220, 2823864, 3529830, 4706440, 5647728, 7059660, 9412880, 14119320, 28238640]

約数ペア:

[(1, 28238640), (2, 14119320), (3, 9412880), (4, 7059660), (5, 5647728), (6, 4706440), (8, 3529830), (10, 2823864), (12, 2353220), (15, 1882576), (16, 1764915), (20, 1411932), (24, 1176610), (30, 941288), (40, 705966), (48, 588305), (60, 470644), (80, 352983), (97, 291120), (120, 235322), (194, 145560), (240, 117661), (291, 97040), (388, 72780), (485, 58224), (582, 48520), (776, 36390), (970, 29112), (1164, 24260), (1213, 23280), (1455, 19408), (1552, 18195), (1940, 14556), (2328, 12130), (2426, 11640), (2910, 9704), (3639, 7760), (3880, 7278), (4656, 6065), (4852, 5820)]