18921300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 55725600

約数和(自身を除く): 36804300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 100, 118, 150, 177, 236, 295, 300, 354, 590, 708, 885, 1069, 1180, 1475, 1770, 2138, 2950, 3207, 3540, 4276, 4425, 5345, 5900, 6414, 8850, 10690, 12828, 16035, 17700, 21380, 26725, 32070, 53450, 63071, 64140, 80175, 106900, 126142, 160350, 189213, 252284, 315355, 320700, 378426, 630710, 756852, 946065, 1261420, 1576775, 1892130, 3153550, 3784260, 4730325, 6307100, 9460650, 18921300]

約数ペア:

[(1, 18921300), (2, 9460650), (3, 6307100), (4, 4730325), (5, 3784260), (6, 3153550), (10, 1892130), (12, 1576775), (15, 1261420), (20, 946065), (25, 756852), (30, 630710), (50, 378426), (59, 320700), (60, 315355), (75, 252284), (100, 189213), (118, 160350), (150, 126142), (177, 106900), (236, 80175), (295, 64140), (300, 63071), (354, 53450), (590, 32070), (708, 26725), (885, 21380), (1069, 17700), (1180, 16035), (1475, 12828), (1770, 10690), (2138, 8850), (2950, 6414), (3207, 5900), (3540, 5345), (4276, 4425)]