72450120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 155645880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 109, 116, 120, 145, 174, 191, 218, 232, 290, 327, 348, 382, 435, 436, 545, 573, 580, 654, 696, 764, 870, 872, 955, 1090, 1146, 1160, 1308, 1528, 1635, 1740, 1910, 2180, 2292, 2616, 2865, 3161, 3270, 3480, 3820, 4360, 4584, 5539, 5730, 6322, 6540, 7640, 9483, 11078, 11460, 12644, 13080, 15805, 16617, 18966, 20819, 22156, 22920, 25288, 27695, 31610, 33234, 37932, 41638, 44312, 47415, 55390, 62457, 63220, 66468, 75864, 83085, 83276, 94830, 104095, 110780, 124914, 126440, 132936, 166170, 166552, 189660, 208190, 221560, 249828, 312285, 332340, 379320, 416380, 499656, 603751, 624570, 664680, 832760, 1207502, 1249140, 1811253, 2415004, 2498280, 3018755, 3622506, 4830008, 6037510, 7245012, 9056265, 12075020, 14490024, 18112530, 24150040, 36225060, 72450120]

約数ペア:

[(1, 72450120), (2, 36225060), (3, 24150040), (4, 18112530), (5, 14490024), (6, 12075020), (8, 9056265), (10, 7245012), (12, 6037510), (15, 4830008), (20, 3622506), (24, 3018755), (29, 2498280), (30, 2415004), (40, 1811253), (58, 1249140), (60, 1207502), (87, 832760), (109, 664680), (116, 624570), (120, 603751), (145, 499656), (174, 416380), (191, 379320), (218, 332340), (232, 312285), (290, 249828), (327, 221560), (348, 208190), (382, 189660), (435, 166552), (436, 166170), (545, 132936), (573, 126440), (580, 124914), (654, 110780), (696, 104095), (764, 94830), (870, 83276), (872, 83085), (955, 75864), (1090, 66468), (1146, 63220), (1160, 62457), (1308, 55390), (1528, 47415), (1635, 44312), (1740, 41638), (1910, 37932), (2180, 33234), (2292, 31610), (2616, 27695), (2865, 25288), (3161, 22920), (3270, 22156), (3480, 20819), (3820, 18966), (4360, 16617), (4584, 15805), (5539, 13080), (5730, 12644), (6322, 11460), (6540, 11078), (7640, 9483)]