15988500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 61326720

約数和(自身を除く): 45338220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 19, 20, 22, 25, 30, 33, 34, 36, 38, 44, 45, 50, 51, 55, 57, 60, 66, 68, 75, 76, 85, 90, 95, 99, 100, 102, 110, 114, 125, 132, 150, 153, 165, 170, 171, 180, 187, 190, 198, 204, 209, 220, 225, 228, 250, 255, 275, 285, 300, 306, 323, 330, 340, 342, 374, 375, 380, 396, 418, 425, 450, 475, 495, 500, 510, 550, 561, 570, 612, 627, 646, 660, 684, 748, 750, 765, 825, 836, 850, 855, 900, 935, 950, 969, 990, 1020, 1045, 1100, 1122, 1125, 1140, 1254, 1275, 1292, 1375, 1425, 1500, 1530, 1615, 1650, 1683, 1700, 1710, 1870, 1881, 1900, 1938, 1980, 2090, 2125, 2244, 2250, 2375, 2475, 2508, 2550, 2750, 2805, 2850, 2907, 3060, 3135, 3230, 3300, 3366, 3420, 3553, 3740, 3762, 3825, 3876, 4125, 4180, 4250, 4275, 4500, 4675, 4750, 4845, 4950, 5100, 5225, 5500, 5610, 5700, 5814, 6270, 6375, 6460, 6732, 7106, 7125, 7524, 7650, 8075, 8250, 8415, 8500, 8550, 9350, 9405, 9500, 9690, 9900, 10450, 10659, 11220, 11628, 12375, 12540, 12750, 14025, 14212, 14250, 14535, 15300, 15675, 16150, 16500, 16830, 17100, 17765, 18700, 18810, 19125, 19380, 20900, 21318, 21375, 23375, 24225, 24750, 25500, 26125, 28050, 28500, 29070, 31350, 31977, 32300, 33660, 35530, 37620, 38250, 40375, 42075, 42636, 42750, 46750, 47025, 48450, 49500, 52250, 53295, 56100, 58140, 62700, 63954, 70125, 71060, 72675, 76500, 78375, 80750, 84150, 85500, 88825, 93500, 94050, 96900, 104500, 106590, 121125, 127908, 140250, 145350, 156750, 159885, 161500, 168300, 177650, 188100, 210375, 213180, 235125, 242250, 266475, 280500, 290700, 313500, 319770, 355300, 363375, 420750, 444125, 470250, 484500, 532950, 639540, 726750, 799425, 841500, 888250, 940500, 1065900, 1332375, 1453500, 1598850, 1776500, 2664750, 3197700, 3997125, 5329500, 7994250, 15988500]

約数ペア:

[(1, 15988500), (2, 7994250), (3, 5329500), (4, 3997125), (5, 3197700), (6, 2664750), (9, 1776500), (10, 1598850), (11, 1453500), (12, 1332375), (15, 1065900), (17, 940500), (18, 888250), (19, 841500), (20, 799425), (22, 726750), (25, 639540), (30, 532950), (33, 484500), (34, 470250), (36, 444125), (38, 420750), (44, 363375), (45, 355300), (50, 319770), (51, 313500), (55, 290700), (57, 280500), (60, 266475), (66, 242250), (68, 235125), (75, 213180), (76, 210375), (85, 188100), (90, 177650), (95, 168300), (99, 161500), (100, 159885), (102, 156750), (110, 145350), (114, 140250), (125, 127908), (132, 121125), (150, 106590), (153, 104500), (165, 96900), (170, 94050), (171, 93500), (180, 88825), (187, 85500), (190, 84150), (198, 80750), (204, 78375), (209, 76500), (220, 72675), (225, 71060), (228, 70125), (250, 63954), (255, 62700), (275, 58140), (285, 56100), (300, 53295), (306, 52250), (323, 49500), (330, 48450), (340, 47025), (342, 46750), (374, 42750), (375, 42636), (380, 42075), (396, 40375), (418, 38250), (425, 37620), (450, 35530), (475, 33660), (495, 32300), (500, 31977), (510, 31350), (550, 29070), (561, 28500), (570, 28050), (612, 26125), (627, 25500), (646, 24750), (660, 24225), (684, 23375), (748, 21375), (750, 21318), (765, 20900), (825, 19380), (836, 19125), (850, 18810), (855, 18700), (900, 17765), (935, 17100), (950, 16830), (969, 16500), (990, 16150), (1020, 15675), (1045, 15300), (1100, 14535), (1122, 14250), (1125, 14212), (1140, 14025), (1254, 12750), (1275, 12540), (1292, 12375), (1375, 11628), (1425, 11220), (1500, 10659), (1530, 10450), (1615, 9900), (1650, 9690), (1683, 9500), (1700, 9405), (1710, 9350), (1870, 8550), (1881, 8500), (1900, 8415), (1938, 8250), (1980, 8075), (2090, 7650), (2125, 7524), (2244, 7125), (2250, 7106), (2375, 6732), (2475, 6460), (2508, 6375), (2550, 6270), (2750, 5814), (2805, 5700), (2850, 5610), (2907, 5500), (3060, 5225), (3135, 5100), (3230, 4950), (3300, 4845), (3366, 4750), (3420, 4675), (3553, 4500), (3740, 4275), (3762, 4250), (3825, 4180), (3876, 4125)]