1272240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 160

約数和(自身を含む): 4761600

約数和(自身を除く): 3489360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 48, 54, 57, 60, 62, 72, 76, 80, 90, 93, 95, 108, 114, 120, 124, 135, 144, 152, 155, 171, 180, 186, 190, 216, 228, 240, 248, 270, 279, 285, 304, 310, 342, 360, 372, 380, 432, 456, 465, 496, 513, 540, 558, 570, 589, 620, 684, 720, 744, 760, 837, 855, 912, 930, 1026, 1080, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1674, 1710, 1767, 1860, 2052, 2160, 2232, 2280, 2356, 2480, 2565, 2736, 2790, 2945, 3348, 3420, 3534, 3720, 4104, 4185, 4464, 4560, 4712, 5130, 5301, 5580, 5890, 6696, 6840, 7068, 7440, 8208, 8370, 8835, 9424, 10260, 10602, 11160, 11780, 13392, 13680, 14136, 15903, 16740, 17670, 20520, 21204, 22320, 23560, 26505, 28272, 31806, 33480, 35340, 41040, 42408, 47120, 53010, 63612, 66960, 70680, 79515, 84816, 106020, 127224, 141360, 159030, 212040, 254448, 318060, 424080, 636120, 1272240]

約数ペア:

[(1, 1272240), (2, 636120), (3, 424080), (4, 318060), (5, 254448), (6, 212040), (8, 159030), (9, 141360), (10, 127224), (12, 106020), (15, 84816), (16, 79515), (18, 70680), (19, 66960), (20, 63612), (24, 53010), (27, 47120), (30, 42408), (31, 41040), (36, 35340), (38, 33480), (40, 31806), (45, 28272), (48, 26505), (54, 23560), (57, 22320), (60, 21204), (62, 20520), (72, 17670), (76, 16740), (80, 15903), (90, 14136), (93, 13680), (95, 13392), (108, 11780), (114, 11160), (120, 10602), (124, 10260), (135, 9424), (144, 8835), (152, 8370), (155, 8208), (171, 7440), (180, 7068), (186, 6840), (190, 6696), (216, 5890), (228, 5580), (240, 5301), (248, 5130), (270, 4712), (279, 4560), (285, 4464), (304, 4185), (310, 4104), (342, 3720), (360, 3534), (372, 3420), (380, 3348), (432, 2945), (456, 2790), (465, 2736), (496, 2565), (513, 2480), (540, 2356), (558, 2280), (570, 2232), (589, 2160), (620, 2052), (684, 1860), (720, 1767), (744, 1710), (760, 1674), (837, 1520), (855, 1488), (912, 1395), (930, 1368), (1026, 1240), (1080, 1178), (1116, 1140)]