1945687500

素因数分解:

$2^2\times 3^3\times 5^6\times {\mathrm{1153}}^1$

素因数の和:1196

約数の個数: 168

約数和(自身を含む): 6310856720

約数和(自身を除く): 4365169220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 625, 675, 750, 900, 1125, 1153, 1250, 1350, 1500, 1875, 2250, 2306, 2500, 2700, 3125, 3375, 3459, 3750, 4500, 4612, 5625, 5765, 6250, 6750, 6918, 7500, 9375, 10377, 11250, 11530, 12500, 13500, 13836, 15625, 16875, 17295, 18750, 20754, 22500, 23060, 28125, 28825, 31131, 31250, 33750, 34590, 37500, 41508, 46875, 51885, 56250, 57650, 62262, 62500, 67500, 69180, 84375, 86475, 93750, 103770, 112500, 115300, 124524, 140625, 144125, 155655, 168750, 172950, 187500, 207540, 259425, 281250, 288250, 311310, 337500, 345900, 421875, 432375, 518850, 562500, 576500, 622620, 720625, 778275, 843750, 864750, 1037700, 1297125, 1441250, 1556550, 1687500, 1729500, 2161875, 2594250, 2882500, 3113100, 3603125, 3891375, 4323750, 5188500, 6485625, 7206250, 7782750, 8647500, 10809375, 12971250, 14412500, 15565500, 18015625, 19456875, 21618750, 25942500, 32428125, 36031250, 38913750, 43237500, 54046875, 64856250, 72062500, 77827500, 97284375, 108093750, 129712500, 162140625, 194568750, 216187500, 324281250, 389137500, 486421875, 648562500, 972843750, 1945687500]

約数ペア:

[(1, 1945687500), (2, 972843750), (3, 648562500), (4, 486421875), (5, 389137500), (6, 324281250), (9, 216187500), (10, 194568750), (12, 162140625), (15, 129712500), (18, 108093750), (20, 97284375), (25, 77827500), (27, 72062500), (30, 64856250), (36, 54046875), (45, 43237500), (50, 38913750), (54, 36031250), (60, 32428125), (75, 25942500), (90, 21618750), (100, 19456875), (108, 18015625), (125, 15565500), (135, 14412500), (150, 12971250), (180, 10809375), (225, 8647500), (250, 7782750), (270, 7206250), (300, 6485625), (375, 5188500), (450, 4323750), (500, 3891375), (540, 3603125), (625, 3113100), (675, 2882500), (750, 2594250), (900, 2161875), (1125, 1729500), (1153, 1687500), (1250, 1556550), (1350, 1441250), (1500, 1297125), (1875, 1037700), (2250, 864750), (2306, 843750), (2500, 778275), (2700, 720625), (3125, 622620), (3375, 576500), (3459, 562500), (3750, 518850), (4500, 432375), (4612, 421875), (5625, 345900), (5765, 337500), (6250, 311310), (6750, 288250), (6918, 281250), (7500, 259425), (9375, 207540), (10377, 187500), (11250, 172950), (11530, 168750), (12500, 155655), (13500, 144125), (13836, 140625), (15625, 124524), (16875, 115300), (17295, 112500), (18750, 103770), (20754, 93750), (22500, 86475), (23060, 84375), (28125, 69180), (28825, 67500), (31131, 62500), (31250, 62262), (33750, 57650), (34590, 56250), (37500, 51885), (41508, 46875)]