28248750

素因数分解:

$2^1\times 3^6\times 5^4\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 140

約数和(自身を含む): 81948768

約数和(自身を除く): 53700018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 125, 135, 150, 155, 162, 186, 225, 243, 250, 270, 279, 310, 375, 405, 450, 465, 486, 558, 625, 675, 729, 750, 775, 810, 837, 930, 1125, 1215, 1250, 1350, 1395, 1458, 1550, 1674, 1875, 2025, 2250, 2325, 2430, 2511, 2790, 3375, 3645, 3750, 3875, 4050, 4185, 4650, 5022, 5625, 6075, 6750, 6975, 7290, 7533, 7750, 8370, 10125, 11250, 11625, 12150, 12555, 13950, 15066, 16875, 18225, 19375, 20250, 20925, 22599, 23250, 25110, 30375, 33750, 34875, 36450, 37665, 38750, 41850, 45198, 50625, 58125, 60750, 62775, 69750, 75330, 91125, 101250, 104625, 112995, 116250, 125550, 151875, 174375, 182250, 188325, 209250, 225990, 303750, 313875, 348750, 376650, 455625, 523125, 564975, 627750, 911250, 941625, 1046250, 1129950, 1569375, 1883250, 2824875, 3138750, 4708125, 5649750, 9416250, 14124375, 28248750]

約数ペア:

[(1, 28248750), (2, 14124375), (3, 9416250), (5, 5649750), (6, 4708125), (9, 3138750), (10, 2824875), (15, 1883250), (18, 1569375), (25, 1129950), (27, 1046250), (30, 941625), (31, 911250), (45, 627750), (50, 564975), (54, 523125), (62, 455625), (75, 376650), (81, 348750), (90, 313875), (93, 303750), (125, 225990), (135, 209250), (150, 188325), (155, 182250), (162, 174375), (186, 151875), (225, 125550), (243, 116250), (250, 112995), (270, 104625), (279, 101250), (310, 91125), (375, 75330), (405, 69750), (450, 62775), (465, 60750), (486, 58125), (558, 50625), (625, 45198), (675, 41850), (729, 38750), (750, 37665), (775, 36450), (810, 34875), (837, 33750), (930, 30375), (1125, 25110), (1215, 23250), (1250, 22599), (1350, 20925), (1395, 20250), (1458, 19375), (1550, 18225), (1674, 16875), (1875, 15066), (2025, 13950), (2250, 12555), (2325, 12150), (2430, 11625), (2511, 11250), (2790, 10125), (3375, 8370), (3645, 7750), (3750, 7533), (3875, 7290), (4050, 6975), (4185, 6750), (4650, 6075), (5022, 5625)]