28158000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 240

約数和(自身を含む): 103180896

約数和(自身を除く): 75022896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 30, 38, 39, 40, 48, 50, 52, 57, 60, 65, 75, 76, 78, 80, 95, 100, 104, 114, 120, 125, 130, 150, 152, 156, 190, 195, 200, 208, 228, 240, 247, 250, 260, 285, 300, 304, 312, 325, 361, 375, 380, 390, 400, 456, 475, 494, 500, 520, 570, 600, 624, 650, 722, 741, 750, 760, 780, 912, 950, 975, 988, 1000, 1040, 1083, 1140, 1200, 1235, 1300, 1425, 1444, 1482, 1500, 1520, 1560, 1625, 1805, 1900, 1950, 1976, 2000, 2166, 2280, 2375, 2470, 2600, 2850, 2888, 2964, 3000, 3120, 3250, 3610, 3705, 3800, 3900, 3952, 4332, 4560, 4693, 4750, 4875, 4940, 5200, 5415, 5700, 5776, 5928, 6000, 6175, 6500, 7125, 7220, 7410, 7600, 7800, 8664, 9025, 9386, 9500, 9750, 9880, 10830, 11400, 11856, 12350, 13000, 14079, 14250, 14440, 14820, 15600, 17328, 18050, 18525, 18772, 19000, 19500, 19760, 21660, 22800, 23465, 24700, 26000, 27075, 28158, 28500, 28880, 29640, 30875, 36100, 37050, 37544, 38000, 39000, 43320, 45125, 46930, 49400, 54150, 56316, 57000, 59280, 61750, 70395, 72200, 74100, 75088, 78000, 86640, 90250, 92625, 93860, 98800, 108300, 112632, 114000, 117325, 123500, 135375, 140790, 144400, 148200, 180500, 185250, 187720, 216600, 225264, 234650, 247000, 270750, 281580, 296400, 351975, 361000, 370500, 375440, 433200, 469300, 494000, 541500, 563160, 586625, 703950, 722000, 741000, 938600, 1083000, 1126320, 1173250, 1407900, 1482000, 1759875, 1877200, 2166000, 2346500, 2815800, 3519750, 4693000, 5631600, 7039500, 9386000, 14079000, 28158000]

約数ペア:

[(1, 28158000), (2, 14079000), (3, 9386000), (4, 7039500), (5, 5631600), (6, 4693000), (8, 3519750), (10, 2815800), (12, 2346500), (13, 2166000), (15, 1877200), (16, 1759875), (19, 1482000), (20, 1407900), (24, 1173250), (25, 1126320), (26, 1083000), (30, 938600), (38, 741000), (39, 722000), (40, 703950), (48, 586625), (50, 563160), (52, 541500), (57, 494000), (60, 469300), (65, 433200), (75, 375440), (76, 370500), (78, 361000), (80, 351975), (95, 296400), (100, 281580), (104, 270750), (114, 247000), (120, 234650), (125, 225264), (130, 216600), (150, 187720), (152, 185250), (156, 180500), (190, 148200), (195, 144400), (200, 140790), (208, 135375), (228, 123500), (240, 117325), (247, 114000), (250, 112632), (260, 108300), (285, 98800), (300, 93860), (304, 92625), (312, 90250), (325, 86640), (361, 78000), (375, 75088), (380, 74100), (390, 72200), (400, 70395), (456, 61750), (475, 59280), (494, 57000), (500, 56316), (520, 54150), (570, 49400), (600, 46930), (624, 45125), (650, 43320), (722, 39000), (741, 38000), (750, 37544), (760, 37050), (780, 36100), (912, 30875), (950, 29640), (975, 28880), (988, 28500), (1000, 28158), (1040, 27075), (1083, 26000), (1140, 24700), (1200, 23465), (1235, 22800), (1300, 21660), (1425, 19760), (1444, 19500), (1482, 19000), (1500, 18772), (1520, 18525), (1560, 18050), (1625, 17328), (1805, 15600), (1900, 14820), (1950, 14440), (1976, 14250), (2000, 14079), (2166, 13000), (2280, 12350), (2375, 11856), (2470, 11400), (2600, 10830), (2850, 9880), (2888, 9750), (2964, 9500), (3000, 9386), (3120, 9025), (3250, 8664), (3610, 7800), (3705, 7600), (3800, 7410), (3900, 7220), (3952, 7125), (4332, 6500), (4560, 6175), (4693, 6000), (4750, 5928), (4875, 5776), (4940, 5700), (5200, 5415)]