145687600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 90

約数和(自身を含む): 362623740

約数和(自身を除く): 216936140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 379, 400, 496, 620, 758, 775, 961, 1240, 1516, 1550, 1895, 1922, 2480, 3032, 3100, 3790, 3844, 4805, 6064, 6200, 7580, 7688, 9475, 9610, 11749, 12400, 15160, 15376, 18950, 19220, 23498, 24025, 30320, 37900, 38440, 46996, 48050, 58745, 75800, 76880, 93992, 96100, 117490, 151600, 187984, 192200, 234980, 293725, 364219, 384400, 469960, 587450, 728438, 939920, 1174900, 1456876, 1821095, 2349800, 2913752, 3642190, 4699600, 5827504, 7284380, 9105475, 14568760, 18210950, 29137520, 36421900, 72843800, 145687600]

約数ペア:

[(1, 145687600), (2, 72843800), (4, 36421900), (5, 29137520), (8, 18210950), (10, 14568760), (16, 9105475), (20, 7284380), (25, 5827504), (31, 4699600), (40, 3642190), (50, 2913752), (62, 2349800), (80, 1821095), (100, 1456876), (124, 1174900), (155, 939920), (200, 728438), (248, 587450), (310, 469960), (379, 384400), (400, 364219), (496, 293725), (620, 234980), (758, 192200), (775, 187984), (961, 151600), (1240, 117490), (1516, 96100), (1550, 93992), (1895, 76880), (1922, 75800), (2480, 58745), (3032, 48050), (3100, 46996), (3790, 38440), (3844, 37900), (4805, 30320), (6064, 24025), (6200, 23498), (7580, 19220), (7688, 18950), (9475, 15376), (9610, 15160), (11749, 12400)]