28743750

素因数分解:

$2^1\times 3^2\times 5^5\times 7^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 90181728

約数和(自身を除く): 61437978

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 73, 75, 90, 105, 125, 126, 146, 150, 175, 210, 219, 225, 250, 315, 350, 365, 375, 438, 450, 511, 525, 625, 630, 657, 730, 750, 875, 1022, 1050, 1095, 1125, 1250, 1314, 1533, 1575, 1750, 1825, 1875, 2190, 2250, 2555, 2625, 3066, 3125, 3150, 3285, 3650, 3750, 4375, 4599, 5110, 5250, 5475, 5625, 6250, 6570, 7665, 7875, 8750, 9125, 9198, 9375, 10950, 11250, 12775, 13125, 15330, 15750, 16425, 18250, 18750, 21875, 22995, 25550, 26250, 27375, 28125, 32850, 38325, 39375, 43750, 45625, 45990, 54750, 56250, 63875, 65625, 76650, 78750, 82125, 91250, 114975, 127750, 131250, 136875, 164250, 191625, 196875, 228125, 229950, 273750, 319375, 383250, 393750, 410625, 456250, 574875, 638750, 684375, 821250, 958125, 1149750, 1368750, 1596875, 1916250, 2053125, 2874375, 3193750, 4106250, 4790625, 5748750, 9581250, 14371875, 28743750]

約数ペア:

[(1, 28743750), (2, 14371875), (3, 9581250), (5, 5748750), (6, 4790625), (7, 4106250), (9, 3193750), (10, 2874375), (14, 2053125), (15, 1916250), (18, 1596875), (21, 1368750), (25, 1149750), (30, 958125), (35, 821250), (42, 684375), (45, 638750), (50, 574875), (63, 456250), (70, 410625), (73, 393750), (75, 383250), (90, 319375), (105, 273750), (125, 229950), (126, 228125), (146, 196875), (150, 191625), (175, 164250), (210, 136875), (219, 131250), (225, 127750), (250, 114975), (315, 91250), (350, 82125), (365, 78750), (375, 76650), (438, 65625), (450, 63875), (511, 56250), (525, 54750), (625, 45990), (630, 45625), (657, 43750), (730, 39375), (750, 38325), (875, 32850), (1022, 28125), (1050, 27375), (1095, 26250), (1125, 25550), (1250, 22995), (1314, 21875), (1533, 18750), (1575, 18250), (1750, 16425), (1825, 15750), (1875, 15330), (2190, 13125), (2250, 12775), (2555, 11250), (2625, 10950), (3066, 9375), (3125, 9198), (3150, 9125), (3285, 8750), (3650, 7875), (3750, 7665), (4375, 6570), (4599, 6250), (5110, 5625), (5250, 5475)]