15811800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 52440840

約数和(自身を除く): 36629040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 73, 75, 76, 95, 100, 114, 120, 146, 150, 152, 190, 200, 219, 228, 285, 292, 300, 361, 365, 380, 438, 456, 475, 570, 584, 600, 722, 730, 760, 876, 950, 1083, 1095, 1140, 1387, 1425, 1444, 1460, 1752, 1805, 1825, 1900, 2166, 2190, 2280, 2774, 2850, 2888, 2920, 3610, 3650, 3800, 4161, 4332, 4380, 5415, 5475, 5548, 5700, 6935, 7220, 7300, 8322, 8664, 8760, 9025, 10830, 10950, 11096, 11400, 13870, 14440, 14600, 16644, 18050, 20805, 21660, 21900, 26353, 27075, 27740, 33288, 34675, 36100, 41610, 43320, 43800, 52706, 54150, 55480, 69350, 72200, 79059, 83220, 104025, 105412, 108300, 131765, 138700, 158118, 166440, 208050, 210824, 216600, 263530, 277400, 316236, 395295, 416100, 527060, 632472, 658825, 790590, 832200, 1054120, 1317650, 1581180, 1976475, 2635300, 3162360, 3952950, 5270600, 7905900, 15811800]

約数ペア:

[(1, 15811800), (2, 7905900), (3, 5270600), (4, 3952950), (5, 3162360), (6, 2635300), (8, 1976475), (10, 1581180), (12, 1317650), (15, 1054120), (19, 832200), (20, 790590), (24, 658825), (25, 632472), (30, 527060), (38, 416100), (40, 395295), (50, 316236), (57, 277400), (60, 263530), (73, 216600), (75, 210824), (76, 208050), (95, 166440), (100, 158118), (114, 138700), (120, 131765), (146, 108300), (150, 105412), (152, 104025), (190, 83220), (200, 79059), (219, 72200), (228, 69350), (285, 55480), (292, 54150), (300, 52706), (361, 43800), (365, 43320), (380, 41610), (438, 36100), (456, 34675), (475, 33288), (570, 27740), (584, 27075), (600, 26353), (722, 21900), (730, 21660), (760, 20805), (876, 18050), (950, 16644), (1083, 14600), (1095, 14440), (1140, 13870), (1387, 11400), (1425, 11096), (1444, 10950), (1460, 10830), (1752, 9025), (1805, 8760), (1825, 8664), (1900, 8322), (2166, 7300), (2190, 7220), (2280, 6935), (2774, 5700), (2850, 5548), (2888, 5475), (2920, 5415), (3610, 4380), (3650, 4332), (3800, 4161)]