2019915900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1777}}^1$

素因数の和:2221

約数の個数: 144

約数和(自身を含む): 6512742880

約数和(自身を除く): 4492826980

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, 135, 150, 180, 225, 270, 300, 421, 450, 540, 675, 842, 900, 1263, 1350, 1684, 1777, 2105, 2526, 2700, 3554, 3789, 4210, 5052, 5331, 6315, 7108, 7578, 8420, 8885, 10525, 10662, 11367, 12630, 15156, 15993, 17770, 18945, 21050, 21324, 22734, 25260, 26655, 31575, 31986, 35540, 37890, 42100, 44425, 45468, 47979, 53310, 56835, 63150, 63972, 75780, 79965, 88850, 94725, 95958, 106620, 113670, 126300, 133275, 159930, 177700, 189450, 191916, 227340, 239895, 266550, 284175, 319860, 378900, 399825, 479790, 533100, 568350, 748117, 799650, 959580, 1136700, 1199475, 1496234, 1599300, 2244351, 2398950, 2992468, 3740585, 4488702, 4797900, 6733053, 7481170, 8977404, 11221755, 13466106, 14962340, 18702925, 20199159, 22443510, 26932212, 33665265, 37405850, 40398318, 44887020, 56108775, 67330530, 74811700, 80796636, 100995795, 112217550, 134661060, 168326325, 201991590, 224435100, 336652650, 403983180, 504978975, 673305300, 1009957950, 2019915900]

約数ペア:

[(1, 2019915900), (2, 1009957950), (3, 673305300), (4, 504978975), (5, 403983180), (6, 336652650), (9, 224435100), (10, 201991590), (12, 168326325), (15, 134661060), (18, 112217550), (20, 100995795), (25, 80796636), (27, 74811700), (30, 67330530), (36, 56108775), (45, 44887020), (50, 40398318), (54, 37405850), (60, 33665265), (75, 26932212), (90, 22443510), (100, 20199159), (108, 18702925), (135, 14962340), (150, 13466106), (180, 11221755), (225, 8977404), (270, 7481170), (300, 6733053), (421, 4797900), (450, 4488702), (540, 3740585), (675, 2992468), (842, 2398950), (900, 2244351), (1263, 1599300), (1350, 1496234), (1684, 1199475), (1777, 1136700), (2105, 959580), (2526, 799650), (2700, 748117), (3554, 568350), (3789, 533100), (4210, 479790), (5052, 399825), (5331, 378900), (6315, 319860), (7108, 284175), (7578, 266550), (8420, 239895), (8885, 227340), (10525, 191916), (10662, 189450), (11367, 177700), (12630, 159930), (15156, 133275), (15993, 126300), (17770, 113670), (18945, 106620), (21050, 95958), (21324, 94725), (22734, 88850), (25260, 79965), (26655, 75780), (31575, 63972), (31986, 63150), (35540, 56835), (37890, 53310), (42100, 47979), (44425, 45468)]