31207500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 105185080

約数和(自身を除く): 73977580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 73, 75, 76, 90, 95, 100, 114, 125, 146, 150, 171, 180, 190, 219, 225, 228, 250, 285, 292, 300, 342, 365, 375, 380, 438, 450, 475, 500, 570, 625, 657, 684, 730, 750, 855, 876, 900, 950, 1095, 1125, 1140, 1250, 1314, 1387, 1425, 1460, 1500, 1710, 1825, 1875, 1900, 2190, 2250, 2375, 2500, 2628, 2774, 2850, 3285, 3420, 3650, 3750, 4161, 4275, 4380, 4500, 4750, 5475, 5548, 5625, 5700, 6570, 6935, 7125, 7300, 7500, 8322, 8550, 9125, 9500, 10950, 11250, 11875, 12483, 13140, 13870, 14250, 16425, 16644, 17100, 18250, 20805, 21375, 21900, 22500, 23750, 24966, 27375, 27740, 28500, 32850, 34675, 35625, 36500, 41610, 42750, 45625, 47500, 49932, 54750, 62415, 65700, 69350, 71250, 82125, 83220, 85500, 91250, 104025, 106875, 109500, 124830, 136875, 138700, 142500, 164250, 173375, 182500, 208050, 213750, 249660, 273750, 312075, 328500, 346750, 410625, 416100, 427500, 520125, 547500, 624150, 693500, 821250, 866875, 1040250, 1248300, 1560375, 1642500, 1733750, 2080500, 2600625, 3120750, 3467500, 5201250, 6241500, 7801875, 10402500, 15603750, 31207500]

約数ペア:

[(1, 31207500), (2, 15603750), (3, 10402500), (4, 7801875), (5, 6241500), (6, 5201250), (9, 3467500), (10, 3120750), (12, 2600625), (15, 2080500), (18, 1733750), (19, 1642500), (20, 1560375), (25, 1248300), (30, 1040250), (36, 866875), (38, 821250), (45, 693500), (50, 624150), (57, 547500), (60, 520125), (73, 427500), (75, 416100), (76, 410625), (90, 346750), (95, 328500), (100, 312075), (114, 273750), (125, 249660), (146, 213750), (150, 208050), (171, 182500), (180, 173375), (190, 164250), (219, 142500), (225, 138700), (228, 136875), (250, 124830), (285, 109500), (292, 106875), (300, 104025), (342, 91250), (365, 85500), (375, 83220), (380, 82125), (438, 71250), (450, 69350), (475, 65700), (500, 62415), (570, 54750), (625, 49932), (657, 47500), (684, 45625), (730, 42750), (750, 41610), (855, 36500), (876, 35625), (900, 34675), (950, 32850), (1095, 28500), (1125, 27740), (1140, 27375), (1250, 24966), (1314, 23750), (1387, 22500), (1425, 21900), (1460, 21375), (1500, 20805), (1710, 18250), (1825, 17100), (1875, 16644), (1900, 16425), (2190, 14250), (2250, 13870), (2375, 13140), (2500, 12483), (2628, 11875), (2774, 11250), (2850, 10950), (3285, 9500), (3420, 9125), (3650, 8550), (3750, 8322), (4161, 7500), (4275, 7300), (4380, 7125), (4500, 6935), (4750, 6570), (5475, 5700), (5548, 5625)]