645551640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1291}}^1$

素因数の和:1774

約数の個数: 128

約数和(自身を含む): 2158156800

約数和(自身を除く): 1512605160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 463, 540, 926, 1080, 1291, 1389, 1852, 2315, 2582, 2778, 3704, 3873, 4167, 4630, 5164, 5556, 6455, 6945, 7746, 8334, 9260, 10328, 11112, 11619, 12501, 12910, 13890, 15492, 16668, 18520, 19365, 20835, 23238, 25002, 25820, 27780, 30984, 33336, 34857, 38730, 41670, 46476, 50004, 51640, 55560, 58095, 62505, 69714, 77460, 83340, 92952, 100008, 116190, 125010, 139428, 154920, 166680, 174285, 232380, 250020, 278856, 348570, 464760, 500040, 597733, 697140, 1195466, 1394280, 1793199, 2390932, 2988665, 3586398, 4781864, 5379597, 5977330, 7172796, 8965995, 10759194, 11954660, 14345592, 16138791, 17931990, 21518388, 23909320, 26897985, 32277582, 35863980, 43036776, 53795970, 64555164, 71727960, 80693955, 107591940, 129110328, 161387910, 215183880, 322775820, 645551640]

約数ペア:

[(1, 645551640), (2, 322775820), (3, 215183880), (4, 161387910), (5, 129110328), (6, 107591940), (8, 80693955), (9, 71727960), (10, 64555164), (12, 53795970), (15, 43036776), (18, 35863980), (20, 32277582), (24, 26897985), (27, 23909320), (30, 21518388), (36, 17931990), (40, 16138791), (45, 14345592), (54, 11954660), (60, 10759194), (72, 8965995), (90, 7172796), (108, 5977330), (120, 5379597), (135, 4781864), (180, 3586398), (216, 2988665), (270, 2390932), (360, 1793199), (463, 1394280), (540, 1195466), (926, 697140), (1080, 597733), (1291, 500040), (1389, 464760), (1852, 348570), (2315, 278856), (2582, 250020), (2778, 232380), (3704, 174285), (3873, 166680), (4167, 154920), (4630, 139428), (5164, 125010), (5556, 116190), (6455, 100008), (6945, 92952), (7746, 83340), (8334, 77460), (9260, 69714), (10328, 62505), (11112, 58095), (11619, 55560), (12501, 51640), (12910, 50004), (13890, 46476), (15492, 41670), (16668, 38730), (18520, 34857), (19365, 33336), (20835, 30984), (23238, 27780), (25002, 25820)]