2438460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 8386560

約数和(自身を除く): 5948100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 31, 36, 38, 45, 46, 57, 60, 62, 69, 76, 90, 92, 93, 95, 114, 115, 124, 138, 155, 171, 180, 186, 190, 207, 228, 230, 276, 279, 285, 310, 342, 345, 372, 380, 414, 437, 460, 465, 558, 570, 589, 620, 684, 690, 713, 828, 855, 874, 930, 1035, 1116, 1140, 1178, 1311, 1380, 1395, 1426, 1710, 1748, 1767, 1860, 2070, 2139, 2185, 2356, 2622, 2790, 2852, 2945, 3420, 3534, 3565, 3933, 4140, 4278, 4370, 5244, 5301, 5580, 5890, 6417, 6555, 7068, 7130, 7866, 8556, 8740, 8835, 10602, 10695, 11780, 12834, 13110, 13547, 14260, 15732, 17670, 19665, 21204, 21390, 25668, 26220, 26505, 27094, 32085, 35340, 39330, 40641, 42780, 53010, 54188, 64170, 67735, 78660, 81282, 106020, 121923, 128340, 135470, 162564, 203205, 243846, 270940, 406410, 487692, 609615, 812820, 1219230, 2438460]

約数ペア:

[(1, 2438460), (2, 1219230), (3, 812820), (4, 609615), (5, 487692), (6, 406410), (9, 270940), (10, 243846), (12, 203205), (15, 162564), (18, 135470), (19, 128340), (20, 121923), (23, 106020), (30, 81282), (31, 78660), (36, 67735), (38, 64170), (45, 54188), (46, 53010), (57, 42780), (60, 40641), (62, 39330), (69, 35340), (76, 32085), (90, 27094), (92, 26505), (93, 26220), (95, 25668), (114, 21390), (115, 21204), (124, 19665), (138, 17670), (155, 15732), (171, 14260), (180, 13547), (186, 13110), (190, 12834), (207, 11780), (228, 10695), (230, 10602), (276, 8835), (279, 8740), (285, 8556), (310, 7866), (342, 7130), (345, 7068), (372, 6555), (380, 6417), (414, 5890), (437, 5580), (460, 5301), (465, 5244), (558, 4370), (570, 4278), (589, 4140), (620, 3933), (684, 3565), (690, 3534), (713, 3420), (828, 2945), (855, 2852), (874, 2790), (930, 2622), (1035, 2356), (1116, 2185), (1140, 2139), (1178, 2070), (1311, 1860), (1380, 1767), (1395, 1748), (1426, 1710)]