2778750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 120

約数和(自身を含む): 8528520

約数和(自身を除く): 5749770

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 125, 130, 150, 171, 190, 195, 225, 234, 247, 250, 285, 325, 342, 375, 390, 450, 475, 494, 570, 585, 625, 650, 741, 750, 855, 950, 975, 1125, 1170, 1235, 1250, 1425, 1482, 1625, 1710, 1875, 1950, 2223, 2250, 2375, 2470, 2850, 2925, 3250, 3705, 3750, 4275, 4446, 4750, 4875, 5625, 5850, 6175, 7125, 7410, 8125, 8550, 9750, 11115, 11250, 11875, 12350, 14250, 14625, 16250, 18525, 21375, 22230, 23750, 24375, 29250, 30875, 35625, 37050, 42750, 48750, 55575, 61750, 71250, 73125, 92625, 106875, 111150, 146250, 154375, 185250, 213750, 277875, 308750, 463125, 555750, 926250, 1389375, 2778750]

約数ペア:

[(1, 2778750), (2, 1389375), (3, 926250), (5, 555750), (6, 463125), (9, 308750), (10, 277875), (13, 213750), (15, 185250), (18, 154375), (19, 146250), (25, 111150), (26, 106875), (30, 92625), (38, 73125), (39, 71250), (45, 61750), (50, 55575), (57, 48750), (65, 42750), (75, 37050), (78, 35625), (90, 30875), (95, 29250), (114, 24375), (117, 23750), (125, 22230), (130, 21375), (150, 18525), (171, 16250), (190, 14625), (195, 14250), (225, 12350), (234, 11875), (247, 11250), (250, 11115), (285, 9750), (325, 8550), (342, 8125), (375, 7410), (390, 7125), (450, 6175), (475, 5850), (494, 5625), (570, 4875), (585, 4750), (625, 4446), (650, 4275), (741, 3750), (750, 3705), (855, 3250), (950, 2925), (975, 2850), (1125, 2470), (1170, 2375), (1235, 2250), (1250, 2223), (1425, 1950), (1482, 1875), (1625, 1710)]