72903960

素因数分解:

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

素因数の和:977

約数の個数: 96

約数和(自身を含む): 238062240

約数和(自身を除く): 165158280

約数列:

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

約数ペア:

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