209566440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 160

約数和(自身を含む): 715080960

約数和(自身を除く): 505514520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 270, 284, 324, 355, 360, 405, 426, 540, 568, 639, 648, 710, 810, 852, 911, 1065, 1080, 1278, 1420, 1620, 1704, 1822, 1917, 2130, 2556, 2733, 2840, 3195, 3240, 3644, 3834, 4260, 4555, 5112, 5466, 5751, 6390, 7288, 7668, 8199, 8520, 9110, 9585, 10932, 11502, 12780, 13665, 15336, 16398, 18220, 19170, 21864, 23004, 24597, 25560, 27330, 28755, 32796, 36440, 38340, 40995, 46008, 49194, 54660, 57510, 64681, 65592, 73791, 76680, 81990, 98388, 109320, 115020, 122985, 129362, 147582, 163980, 194043, 196776, 230040, 245970, 258724, 295164, 323405, 327960, 368955, 388086, 491940, 517448, 582129, 590328, 646810, 737910, 776172, 970215, 983880, 1164258, 1293620, 1475820, 1552344, 1746387, 1940430, 2328516, 2587240, 2910645, 2951640, 3492774, 3880860, 4657032, 5239161, 5821290, 6985548, 7761720, 8731935, 10478322, 11642580, 13971096, 17463870, 20956644, 23285160, 26195805, 34927740, 41913288, 52391610, 69855480, 104783220, 209566440]

約数ペア:

[(1, 209566440), (2, 104783220), (3, 69855480), (4, 52391610), (5, 41913288), (6, 34927740), (8, 26195805), (9, 23285160), (10, 20956644), (12, 17463870), (15, 13971096), (18, 11642580), (20, 10478322), (24, 8731935), (27, 7761720), (30, 6985548), (36, 5821290), (40, 5239161), (45, 4657032), (54, 3880860), (60, 3492774), (71, 2951640), (72, 2910645), (81, 2587240), (90, 2328516), (108, 1940430), (120, 1746387), (135, 1552344), (142, 1475820), (162, 1293620), (180, 1164258), (213, 983880), (216, 970215), (270, 776172), (284, 737910), (324, 646810), (355, 590328), (360, 582129), (405, 517448), (426, 491940), (540, 388086), (568, 368955), (639, 327960), (648, 323405), (710, 295164), (810, 258724), (852, 245970), (911, 230040), (1065, 196776), (1080, 194043), (1278, 163980), (1420, 147582), (1620, 129362), (1704, 122985), (1822, 115020), (1917, 109320), (2130, 98388), (2556, 81990), (2733, 76680), (2840, 73791), (3195, 65592), (3240, 64681), (3644, 57510), (3834, 54660), (4260, 49194), (4555, 46008), (5112, 40995), (5466, 38340), (5751, 36440), (6390, 32796), (7288, 28755), (7668, 27330), (8199, 25560), (8520, 24597), (9110, 23004), (9585, 21864), (10932, 19170), (11502, 18220), (12780, 16398), (13665, 15336)]