27787500

素因数分解:

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

素因数の和:67

約数の個数: 216

約数和(自身を含む): 99524880

約数和(自身を除く): 71737380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 30, 36, 38, 39, 45, 50, 52, 57, 60, 65, 75, 76, 78, 90, 95, 100, 114, 117, 125, 130, 150, 156, 171, 180, 190, 195, 225, 228, 234, 247, 250, 260, 285, 300, 325, 342, 375, 380, 390, 450, 468, 475, 494, 500, 570, 585, 625, 650, 684, 741, 750, 780, 855, 900, 950, 975, 988, 1125, 1140, 1170, 1235, 1250, 1300, 1425, 1482, 1500, 1625, 1710, 1875, 1900, 1950, 2223, 2250, 2340, 2375, 2470, 2500, 2850, 2925, 2964, 3125, 3250, 3420, 3705, 3750, 3900, 4275, 4446, 4500, 4750, 4875, 4940, 5625, 5700, 5850, 6175, 6250, 6500, 7125, 7410, 7500, 8125, 8550, 8892, 9375, 9500, 9750, 11115, 11250, 11700, 11875, 12350, 12500, 14250, 14625, 14820, 16250, 17100, 18525, 18750, 19500, 21375, 22230, 22500, 23750, 24375, 24700, 28125, 28500, 29250, 30875, 32500, 35625, 37050, 37500, 40625, 42750, 44460, 47500, 48750, 55575, 56250, 58500, 59375, 61750, 71250, 73125, 74100, 81250, 85500, 92625, 97500, 106875, 111150, 112500, 118750, 121875, 123500, 142500, 146250, 154375, 162500, 178125, 185250, 213750, 222300, 237500, 243750, 277875, 292500, 308750, 356250, 365625, 370500, 427500, 463125, 487500, 534375, 555750, 617500, 712500, 731250, 771875, 926250, 1068750, 1111500, 1389375, 1462500, 1543750, 1852500, 2137500, 2315625, 2778750, 3087500, 4631250, 5557500, 6946875, 9262500, 13893750, 27787500]

約数ペア:

[(1, 27787500), (2, 13893750), (3, 9262500), (4, 6946875), (5, 5557500), (6, 4631250), (9, 3087500), (10, 2778750), (12, 2315625), (13, 2137500), (15, 1852500), (18, 1543750), (19, 1462500), (20, 1389375), (25, 1111500), (26, 1068750), (30, 926250), (36, 771875), (38, 731250), (39, 712500), (45, 617500), (50, 555750), (52, 534375), (57, 487500), (60, 463125), (65, 427500), (75, 370500), (76, 365625), (78, 356250), (90, 308750), (95, 292500), (100, 277875), (114, 243750), (117, 237500), (125, 222300), (130, 213750), (150, 185250), (156, 178125), (171, 162500), (180, 154375), (190, 146250), (195, 142500), (225, 123500), (228, 121875), (234, 118750), (247, 112500), (250, 111150), (260, 106875), (285, 97500), (300, 92625), (325, 85500), (342, 81250), (375, 74100), (380, 73125), (390, 71250), (450, 61750), (468, 59375), (475, 58500), (494, 56250), (500, 55575), (570, 48750), (585, 47500), (625, 44460), (650, 42750), (684, 40625), (741, 37500), (750, 37050), (780, 35625), (855, 32500), (900, 30875), (950, 29250), (975, 28500), (988, 28125), (1125, 24700), (1140, 24375), (1170, 23750), (1235, 22500), (1250, 22230), (1300, 21375), (1425, 19500), (1482, 18750), (1500, 18525), (1625, 17100), (1710, 16250), (1875, 14820), (1900, 14625), (1950, 14250), (2223, 12500), (2250, 12350), (2340, 11875), (2375, 11700), (2470, 11250), (2500, 11115), (2850, 9750), (2925, 9500), (2964, 9375), (3125, 8892), (3250, 8550), (3420, 8125), (3705, 7500), (3750, 7410), (3900, 7125), (4275, 6500), (4446, 6250), (4500, 6175), (4750, 5850), (4875, 5700), (4940, 5625)]