309993120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{215273}}^1$

素因数の和:215294

約数の個数: 72

約数和(自身を含む): 1057856436

約数和(自身を除く): 747863316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 215273, 430546, 645819, 861092, 1076365, 1291638, 1722184, 1937457, 2152730, 2583276, 3229095, 3444368, 3874914, 4305460, 5166552, 6458190, 6888736, 7749828, 8610920, 9687285, 10333104, 12916380, 15499656, 17221840, 19374570, 20666208, 25832760, 30999312, 34443680, 38749140, 51665520, 61998624, 77498280, 103331040, 154996560, 309993120]

約数ペア:

[(1, 309993120), (2, 154996560), (3, 103331040), (4, 77498280), (5, 61998624), (6, 51665520), (8, 38749140), (9, 34443680), (10, 30999312), (12, 25832760), (15, 20666208), (16, 19374570), (18, 17221840), (20, 15499656), (24, 12916380), (30, 10333104), (32, 9687285), (36, 8610920), (40, 7749828), (45, 6888736), (48, 6458190), (60, 5166552), (72, 4305460), (80, 3874914), (90, 3444368), (96, 3229095), (120, 2583276), (144, 2152730), (160, 1937457), (180, 1722184), (240, 1291638), (288, 1076365), (360, 861092), (480, 645819), (720, 430546), (1440, 215273)]