30728100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7909

約数の個数: 72

約数和(自身を含む): 95757760

約数和(自身を除く): 65029660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7879, 15758, 23637, 31516, 39395, 47274, 78790, 94548, 102427, 118185, 157580, 196975, 204854, 236370, 307281, 393950, 409708, 472740, 512135, 590925, 614562, 787900, 1024270, 1181850, 1229124, 1536405, 2048540, 2363700, 2560675, 3072810, 5121350, 6145620, 7682025, 10242700, 15364050, 30728100]

約数ペア:

[(1, 30728100), (2, 15364050), (3, 10242700), (4, 7682025), (5, 6145620), (6, 5121350), (10, 3072810), (12, 2560675), (13, 2363700), (15, 2048540), (20, 1536405), (25, 1229124), (26, 1181850), (30, 1024270), (39, 787900), (50, 614562), (52, 590925), (60, 512135), (65, 472740), (75, 409708), (78, 393950), (100, 307281), (130, 236370), (150, 204854), (156, 196975), (195, 157580), (260, 118185), (300, 102427), (325, 94548), (390, 78790), (650, 47274), (780, 39395), (975, 31516), (1300, 23637), (1950, 15758), (3900, 7879)]