31209891720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1955507}}^1$

素因数の和:1955547

約数の個数: 128

約数和(自身を含む): 112637260800

約数和(自身を除く): 81427369080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1955507, 3911014, 5866521, 7822028, 9777535, 11733042, 13688549, 15644056, 19555070, 23466084, 27377098, 29332605, 37154633, 39110140, 41065647, 46932168, 54754196, 58665210, 68442745, 74309266, 78220280, 82131294, 109508392, 111463899, 117330420, 136885490, 148618532, 164262588, 185773165, 205328235, 222927798, 234660840, 260082431, 273770980, 297237064, 328525176, 371546330, 410656470, 445855596, 520164862, 547541960, 557319495, 743092660, 780247293, 821312940, 891711192, 1040329724, 1114638990, 1300412155, 1486185320, 1560494586, 1642625880, 2080659448, 2229277980, 2600824310, 3120989172, 3901236465, 4458555960, 5201648620, 6241978344, 7802472930, 10403297240, 15604945860, 31209891720]

約数ペア:

[(1, 31209891720), (2, 15604945860), (3, 10403297240), (4, 7802472930), (5, 6241978344), (6, 5201648620), (7, 4458555960), (8, 3901236465), (10, 3120989172), (12, 2600824310), (14, 2229277980), (15, 2080659448), (19, 1642625880), (20, 1560494586), (21, 1486185320), (24, 1300412155), (28, 1114638990), (30, 1040329724), (35, 891711192), (38, 821312940), (40, 780247293), (42, 743092660), (56, 557319495), (57, 547541960), (60, 520164862), (70, 445855596), (76, 410656470), (84, 371546330), (95, 328525176), (105, 297237064), (114, 273770980), (120, 260082431), (133, 234660840), (140, 222927798), (152, 205328235), (168, 185773165), (190, 164262588), (210, 148618532), (228, 136885490), (266, 117330420), (280, 111463899), (285, 109508392), (380, 82131294), (399, 78220280), (420, 74309266), (456, 68442745), (532, 58665210), (570, 54754196), (665, 46932168), (760, 41065647), (798, 39110140), (840, 37154633), (1064, 29332605), (1140, 27377098), (1330, 23466084), (1596, 19555070), (1995, 15644056), (2280, 13688549), (2660, 11733042), (3192, 9777535), (3990, 7822028), (5320, 5866521), (7980, 3911014), (15960, 1955507)]