145807920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:979

約数の個数: 120

約数和(自身を含む): 491995296

約数和(自身を除く): 346187376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 313, 360, 626, 647, 720, 939, 1252, 1294, 1565, 1878, 1941, 2504, 2588, 2817, 3130, 3235, 3756, 3882, 4695, 5008, 5176, 5634, 5823, 6260, 6470, 7512, 7764, 9390, 9705, 10352, 11268, 11646, 12520, 12940, 14085, 15024, 15528, 18780, 19410, 22536, 23292, 25040, 25880, 28170, 29115, 31056, 37560, 38820, 45072, 46584, 51760, 56340, 58230, 75120, 77640, 93168, 112680, 116460, 155280, 202511, 225360, 232920, 405022, 465840, 607533, 810044, 1012555, 1215066, 1620088, 1822599, 2025110, 2430132, 3037665, 3240176, 3645198, 4050220, 4860264, 6075330, 7290396, 8100440, 9112995, 9720528, 12150660, 14580792, 16200880, 18225990, 24301320, 29161584, 36451980, 48602640, 72903960, 145807920]

約数ペア:

[(1, 145807920), (2, 72903960), (3, 48602640), (4, 36451980), (5, 29161584), (6, 24301320), (8, 18225990), (9, 16200880), (10, 14580792), (12, 12150660), (15, 9720528), (16, 9112995), (18, 8100440), (20, 7290396), (24, 6075330), (30, 4860264), (36, 4050220), (40, 3645198), (45, 3240176), (48, 3037665), (60, 2430132), (72, 2025110), (80, 1822599), (90, 1620088), (120, 1215066), (144, 1012555), (180, 810044), (240, 607533), (313, 465840), (360, 405022), (626, 232920), (647, 225360), (720, 202511), (939, 155280), (1252, 116460), (1294, 112680), (1565, 93168), (1878, 77640), (1941, 75120), (2504, 58230), (2588, 56340), (2817, 51760), (3130, 46584), (3235, 45072), (3756, 38820), (3882, 37560), (4695, 31056), (5008, 29115), (5176, 28170), (5634, 25880), (5823, 25040), (6260, 23292), (6470, 22536), (7512, 19410), (7764, 18780), (9390, 15528), (9705, 15024), (10352, 14085), (11268, 12940), (11646, 12520)]