2081588940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 6403837440

約数和(自身を除く): 4322248500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 271, 278, 307, 417, 542, 556, 614, 695, 813, 834, 921, 1084, 1228, 1251, 1355, 1390, 1535, 1626, 1668, 1842, 2085, 2439, 2502, 2710, 2763, 2780, 3070, 3252, 3684, 4065, 4170, 4605, 4878, 5004, 5420, 5526, 6140, 6255, 8130, 8340, 9210, 9756, 11052, 12195, 12510, 13815, 16260, 18420, 24390, 25020, 27630, 37669, 42673, 48780, 55260, 75338, 83197, 85346, 113007, 128019, 150676, 166394, 170692, 188345, 213365, 226014, 249591, 256038, 332788, 339021, 376690, 384057, 415985, 426730, 452028, 499182, 512076, 565035, 640095, 678042, 748773, 753380, 768114, 831970, 853460, 998364, 1130070, 1247955, 1280190, 1356084, 1497546, 1536228, 1663940, 1695105, 1920285, 2260140, 2495910, 2560380, 2995092, 3390210, 3743865, 3840570, 4991820, 6780420, 7487730, 7681140, 11564383, 14975460, 23128766, 34693149, 46257532, 57821915, 69386298, 104079447, 115643830, 138772596, 173465745, 208158894, 231287660, 346931490, 416317788, 520397235, 693862980, 1040794470, 2081588940]

約数ペア:

[(1, 2081588940), (2, 1040794470), (3, 693862980), (4, 520397235), (5, 416317788), (6, 346931490), (9, 231287660), (10, 208158894), (12, 173465745), (15, 138772596), (18, 115643830), (20, 104079447), (30, 69386298), (36, 57821915), (45, 46257532), (60, 34693149), (90, 23128766), (139, 14975460), (180, 11564383), (271, 7681140), (278, 7487730), (307, 6780420), (417, 4991820), (542, 3840570), (556, 3743865), (614, 3390210), (695, 2995092), (813, 2560380), (834, 2495910), (921, 2260140), (1084, 1920285), (1228, 1695105), (1251, 1663940), (1355, 1536228), (1390, 1497546), (1535, 1356084), (1626, 1280190), (1668, 1247955), (1842, 1130070), (2085, 998364), (2439, 853460), (2502, 831970), (2710, 768114), (2763, 753380), (2780, 748773), (3070, 678042), (3252, 640095), (3684, 565035), (4065, 512076), (4170, 499182), (4605, 452028), (4878, 426730), (5004, 415985), (5420, 384057), (5526, 376690), (6140, 339021), (6255, 332788), (8130, 256038), (8340, 249591), (9210, 226014), (9756, 213365), (11052, 188345), (12195, 170692), (12510, 166394), (13815, 150676), (16260, 128019), (18420, 113007), (24390, 85346), (25020, 83197), (27630, 75338), (37669, 55260), (42673, 48780)]