15855120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 180

約数和(自身を含む): 57117996

約数和(自身を除く): 41262876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 61, 72, 76, 80, 90, 95, 114, 120, 122, 144, 152, 171, 180, 183, 190, 228, 240, 244, 285, 304, 305, 342, 360, 361, 366, 380, 456, 488, 549, 570, 610, 684, 720, 722, 732, 760, 855, 912, 915, 976, 1083, 1098, 1140, 1159, 1220, 1368, 1444, 1464, 1520, 1710, 1805, 1830, 2166, 2196, 2280, 2318, 2440, 2736, 2745, 2888, 2928, 3249, 3420, 3477, 3610, 3660, 4332, 4392, 4560, 4636, 4880, 5415, 5490, 5776, 5795, 6498, 6840, 6954, 7220, 7320, 8664, 8784, 9272, 10431, 10830, 10980, 11590, 12996, 13680, 13908, 14440, 14640, 16245, 17328, 17385, 18544, 20862, 21660, 21960, 22021, 23180, 25992, 27816, 28880, 32490, 34770, 41724, 43320, 43920, 44042, 46360, 51984, 52155, 55632, 64980, 66063, 69540, 83448, 86640, 88084, 92720, 104310, 110105, 129960, 132126, 139080, 166896, 176168, 198189, 208620, 220210, 259920, 264252, 278160, 330315, 352336, 396378, 417240, 440420, 528504, 660630, 792756, 834480, 880840, 990945, 1057008, 1321260, 1585512, 1761680, 1981890, 2642520, 3171024, 3963780, 5285040, 7927560, 15855120]

約数ペア:

[(1, 15855120), (2, 7927560), (3, 5285040), (4, 3963780), (5, 3171024), (6, 2642520), (8, 1981890), (9, 1761680), (10, 1585512), (12, 1321260), (15, 1057008), (16, 990945), (18, 880840), (19, 834480), (20, 792756), (24, 660630), (30, 528504), (36, 440420), (38, 417240), (40, 396378), (45, 352336), (48, 330315), (57, 278160), (60, 264252), (61, 259920), (72, 220210), (76, 208620), (80, 198189), (90, 176168), (95, 166896), (114, 139080), (120, 132126), (122, 129960), (144, 110105), (152, 104310), (171, 92720), (180, 88084), (183, 86640), (190, 83448), (228, 69540), (240, 66063), (244, 64980), (285, 55632), (304, 52155), (305, 51984), (342, 46360), (360, 44042), (361, 43920), (366, 43320), (380, 41724), (456, 34770), (488, 32490), (549, 28880), (570, 27816), (610, 25992), (684, 23180), (720, 22021), (722, 21960), (732, 21660), (760, 20862), (855, 18544), (912, 17385), (915, 17328), (976, 16245), (1083, 14640), (1098, 14440), (1140, 13908), (1159, 13680), (1220, 12996), (1368, 11590), (1444, 10980), (1464, 10830), (1520, 10431), (1710, 9272), (1805, 8784), (1830, 8664), (2166, 7320), (2196, 7220), (2280, 6954), (2318, 6840), (2440, 6498), (2736, 5795), (2745, 5776), (2888, 5490), (2928, 5415), (3249, 4880), (3420, 4636), (3477, 4560), (3610, 4392), (3660, 4332)]