2661494920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2371}}^1$

素因数の和:2619

約数の個数: 128

約数和(自身を含む): 7241241600

約数和(自身を除く): 4579746680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 211, 266, 280, 380, 422, 532, 665, 760, 844, 1055, 1064, 1330, 1477, 1688, 2110, 2371, 2660, 2954, 4009, 4220, 4742, 5320, 5908, 7385, 8018, 8440, 9484, 11816, 11855, 14770, 16036, 16597, 18968, 20045, 23710, 28063, 29540, 32072, 33194, 40090, 45049, 47420, 56126, 59080, 66388, 80180, 82985, 90098, 94840, 112252, 132776, 140315, 160360, 165970, 180196, 224504, 225245, 280630, 315343, 331940, 360392, 450490, 500281, 561260, 630686, 663880, 900980, 1000562, 1122520, 1261372, 1576715, 1801960, 2001124, 2501405, 2522744, 3153430, 3501967, 4002248, 5002810, 6306860, 7003934, 9505339, 10005620, 12613720, 14007868, 17509835, 19010678, 20011240, 28015736, 35019670, 38021356, 47526695, 66537373, 70039340, 76042712, 95053390, 133074746, 140078680, 190106780, 266149492, 332686865, 380213560, 532298984, 665373730, 1330747460, 2661494920]

約数ペア:

[(1, 2661494920), (2, 1330747460), (4, 665373730), (5, 532298984), (7, 380213560), (8, 332686865), (10, 266149492), (14, 190106780), (19, 140078680), (20, 133074746), (28, 95053390), (35, 76042712), (38, 70039340), (40, 66537373), (56, 47526695), (70, 38021356), (76, 35019670), (95, 28015736), (133, 20011240), (140, 19010678), (152, 17509835), (190, 14007868), (211, 12613720), (266, 10005620), (280, 9505339), (380, 7003934), (422, 6306860), (532, 5002810), (665, 4002248), (760, 3501967), (844, 3153430), (1055, 2522744), (1064, 2501405), (1330, 2001124), (1477, 1801960), (1688, 1576715), (2110, 1261372), (2371, 1122520), (2660, 1000562), (2954, 900980), (4009, 663880), (4220, 630686), (4742, 561260), (5320, 500281), (5908, 450490), (7385, 360392), (8018, 331940), (8440, 315343), (9484, 280630), (11816, 225245), (11855, 224504), (14770, 180196), (16036, 165970), (16597, 160360), (18968, 140315), (20045, 132776), (23710, 112252), (28063, 94840), (29540, 90098), (32072, 82985), (33194, 80180), (40090, 66388), (45049, 59080), (47420, 56126)]