1250878720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10739}}^1$

素因数の和:10780

約数の個数: 144

約数和(自身を含む): 3688030080

約数和(自身を除く): 2437151360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2912, 3328, 3640, 4160, 4480, 5824, 7280, 8320, 8960, 10739, 11648, 14560, 16640, 21478, 23296, 29120, 42956, 53695, 58240, 75173, 85912, 107390, 116480, 139607, 150346, 171824, 214780, 279214, 300692, 343648, 375865, 429560, 558428, 601384, 687296, 698035, 751730, 859120, 977249, 1116856, 1202768, 1374592, 1396070, 1503460, 1718240, 1954498, 2233712, 2405536, 2749184, 2792140, 3006920, 3436480, 3908996, 4467424, 4811072, 4886245, 5584280, 6013840, 6872960, 7817992, 8934848, 9622144, 9772490, 11168560, 12027680, 13745920, 15635984, 17869696, 19244288, 19544980, 22337120, 24055360, 31271968, 35739392, 39089960, 44674240, 48110720, 62543936, 78179920, 89348480, 96221440, 125087872, 156359840, 178696960, 250175744, 312719680, 625439360, 1250878720]

約数ペア:

[(1, 1250878720), (2, 625439360), (4, 312719680), (5, 250175744), (7, 178696960), (8, 156359840), (10, 125087872), (13, 96221440), (14, 89348480), (16, 78179920), (20, 62543936), (26, 48110720), (28, 44674240), (32, 39089960), (35, 35739392), (40, 31271968), (52, 24055360), (56, 22337120), (64, 19544980), (65, 19244288), (70, 17869696), (80, 15635984), (91, 13745920), (104, 12027680), (112, 11168560), (128, 9772490), (130, 9622144), (140, 8934848), (160, 7817992), (182, 6872960), (208, 6013840), (224, 5584280), (256, 4886245), (260, 4811072), (280, 4467424), (320, 3908996), (364, 3436480), (416, 3006920), (448, 2792140), (455, 2749184), (520, 2405536), (560, 2233712), (640, 1954498), (728, 1718240), (832, 1503460), (896, 1396070), (910, 1374592), (1040, 1202768), (1120, 1116856), (1280, 977249), (1456, 859120), (1664, 751730), (1792, 698035), (1820, 687296), (2080, 601384), (2240, 558428), (2912, 429560), (3328, 375865), (3640, 343648), (4160, 300692), (4480, 279214), (5824, 214780), (7280, 171824), (8320, 150346), (8960, 139607), (10739, 116480), (11648, 107390), (14560, 85912), (16640, 75173), (21478, 58240), (23296, 53695), (29120, 42956)]