81198300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8731}}^1$

素因数の和:8779

約数の個数: 72

約数和(自身を含む): 242540032

約数和(自身を除く): 161341732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 3100, 4650, 8731, 9300, 17462, 26193, 34924, 43655, 52386, 87310, 104772, 130965, 174620, 218275, 261930, 270661, 436550, 523860, 541322, 654825, 811983, 873100, 1082644, 1309650, 1353305, 1623966, 2619300, 2706610, 3247932, 4059915, 5413220, 6766525, 8119830, 13533050, 16239660, 20299575, 27066100, 40599150, 81198300]

約数ペア:

[(1, 81198300), (2, 40599150), (3, 27066100), (4, 20299575), (5, 16239660), (6, 13533050), (10, 8119830), (12, 6766525), (15, 5413220), (20, 4059915), (25, 3247932), (30, 2706610), (31, 2619300), (50, 1623966), (60, 1353305), (62, 1309650), (75, 1082644), (93, 873100), (100, 811983), (124, 654825), (150, 541322), (155, 523860), (186, 436550), (300, 270661), (310, 261930), (372, 218275), (465, 174620), (620, 130965), (775, 104772), (930, 87310), (1550, 52386), (1860, 43655), (2325, 34924), (3100, 26193), (4650, 17462), (8731, 9300)]