28642500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 180

約数和(自身を含む): 96656560

約数和(自身を除く): 68014060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 67, 75, 76, 90, 95, 100, 114, 125, 134, 150, 171, 180, 190, 201, 225, 228, 250, 268, 285, 300, 335, 342, 375, 380, 402, 450, 475, 500, 570, 603, 625, 670, 684, 750, 804, 855, 900, 950, 1005, 1125, 1140, 1206, 1250, 1273, 1340, 1425, 1500, 1675, 1710, 1875, 1900, 2010, 2250, 2375, 2412, 2500, 2546, 2850, 3015, 3350, 3420, 3750, 3819, 4020, 4275, 4500, 4750, 5025, 5092, 5625, 5700, 6030, 6365, 6700, 7125, 7500, 7638, 8375, 8550, 9500, 10050, 11250, 11457, 11875, 12060, 12730, 14250, 15075, 15276, 16750, 17100, 19095, 20100, 21375, 22500, 22914, 23750, 25125, 25460, 28500, 30150, 31825, 33500, 35625, 38190, 41875, 42750, 45828, 47500, 50250, 57285, 60300, 63650, 71250, 75375, 76380, 83750, 85500, 95475, 100500, 106875, 114570, 125625, 127300, 142500, 150750, 159125, 167500, 190950, 213750, 229140, 251250, 286425, 301500, 318250, 376875, 381900, 427500, 477375, 502500, 572850, 636500, 753750, 795625, 954750, 1145700, 1432125, 1507500, 1591250, 1909500, 2386875, 2864250, 3182500, 4773750, 5728500, 7160625, 9547500, 14321250, 28642500]

約数ペア:

[(1, 28642500), (2, 14321250), (3, 9547500), (4, 7160625), (5, 5728500), (6, 4773750), (9, 3182500), (10, 2864250), (12, 2386875), (15, 1909500), (18, 1591250), (19, 1507500), (20, 1432125), (25, 1145700), (30, 954750), (36, 795625), (38, 753750), (45, 636500), (50, 572850), (57, 502500), (60, 477375), (67, 427500), (75, 381900), (76, 376875), (90, 318250), (95, 301500), (100, 286425), (114, 251250), (125, 229140), (134, 213750), (150, 190950), (171, 167500), (180, 159125), (190, 150750), (201, 142500), (225, 127300), (228, 125625), (250, 114570), (268, 106875), (285, 100500), (300, 95475), (335, 85500), (342, 83750), (375, 76380), (380, 75375), (402, 71250), (450, 63650), (475, 60300), (500, 57285), (570, 50250), (603, 47500), (625, 45828), (670, 42750), (684, 41875), (750, 38190), (804, 35625), (855, 33500), (900, 31825), (950, 30150), (1005, 28500), (1125, 25460), (1140, 25125), (1206, 23750), (1250, 22914), (1273, 22500), (1340, 21375), (1425, 20100), (1500, 19095), (1675, 17100), (1710, 16750), (1875, 15276), (1900, 15075), (2010, 14250), (2250, 12730), (2375, 12060), (2412, 11875), (2500, 11457), (2546, 11250), (2850, 10050), (3015, 9500), (3350, 8550), (3420, 8375), (3750, 7638), (3819, 7500), (4020, 7125), (4275, 6700), (4500, 6365), (4750, 6030), (5025, 5700), (5092, 5625)]