28413360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 105231360

約数和(自身を除く): 76818000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 67, 72, 76, 80, 90, 93, 95, 114, 120, 124, 134, 144, 152, 155, 171, 180, 186, 190, 201, 228, 240, 248, 268, 279, 285, 304, 310, 335, 342, 360, 372, 380, 402, 456, 465, 496, 536, 558, 570, 589, 603, 620, 670, 684, 720, 744, 760, 804, 855, 912, 930, 1005, 1072, 1116, 1140, 1178, 1206, 1240, 1273, 1340, 1368, 1395, 1488, 1520, 1608, 1710, 1767, 1860, 2010, 2077, 2232, 2280, 2356, 2412, 2480, 2546, 2680, 2736, 2790, 2945, 3015, 3216, 3420, 3534, 3720, 3819, 4020, 4154, 4464, 4560, 4712, 4824, 5092, 5301, 5360, 5580, 5890, 6030, 6231, 6365, 6840, 7068, 7440, 7638, 8040, 8308, 8835, 9424, 9648, 10184, 10385, 10602, 11160, 11457, 11780, 12060, 12462, 12730, 13680, 14136, 15276, 16080, 16616, 17670, 18693, 19095, 20368, 20770, 21204, 22320, 22914, 23560, 24120, 24924, 25460, 26505, 28272, 30552, 31155, 33232, 35340, 37386, 38190, 39463, 41540, 42408, 45828, 47120, 48240, 49848, 50920, 53010, 57285, 61104, 62310, 70680, 74772, 76380, 78926, 83080, 84816, 91656, 93465, 99696, 101840, 106020, 114570, 118389, 124620, 141360, 149544, 152760, 157852, 166160, 183312, 186930, 197315, 212040, 229140, 236778, 249240, 299088, 305520, 315704, 355167, 373860, 394630, 424080, 458280, 473556, 498480, 591945, 631408, 710334, 747720, 789260, 916560, 947112, 1183890, 1420668, 1495440, 1578520, 1775835, 1894224, 2367780, 2841336, 3157040, 3551670, 4735560, 5682672, 7103340, 9471120, 14206680, 28413360]

約数ペア:

[(1, 28413360), (2, 14206680), (3, 9471120), (4, 7103340), (5, 5682672), (6, 4735560), (8, 3551670), (9, 3157040), (10, 2841336), (12, 2367780), (15, 1894224), (16, 1775835), (18, 1578520), (19, 1495440), (20, 1420668), (24, 1183890), (30, 947112), (31, 916560), (36, 789260), (38, 747720), (40, 710334), (45, 631408), (48, 591945), (57, 498480), (60, 473556), (62, 458280), (67, 424080), (72, 394630), (76, 373860), (80, 355167), (90, 315704), (93, 305520), (95, 299088), (114, 249240), (120, 236778), (124, 229140), (134, 212040), (144, 197315), (152, 186930), (155, 183312), (171, 166160), (180, 157852), (186, 152760), (190, 149544), (201, 141360), (228, 124620), (240, 118389), (248, 114570), (268, 106020), (279, 101840), (285, 99696), (304, 93465), (310, 91656), (335, 84816), (342, 83080), (360, 78926), (372, 76380), (380, 74772), (402, 70680), (456, 62310), (465, 61104), (496, 57285), (536, 53010), (558, 50920), (570, 49848), (589, 48240), (603, 47120), (620, 45828), (670, 42408), (684, 41540), (720, 39463), (744, 38190), (760, 37386), (804, 35340), (855, 33232), (912, 31155), (930, 30552), (1005, 28272), (1072, 26505), (1116, 25460), (1140, 24924), (1178, 24120), (1206, 23560), (1240, 22914), (1273, 22320), (1340, 21204), (1368, 20770), (1395, 20368), (1488, 19095), (1520, 18693), (1608, 17670), (1710, 16616), (1767, 16080), (1860, 15276), (2010, 14136), (2077, 13680), (2232, 12730), (2280, 12462), (2356, 12060), (2412, 11780), (2480, 11457), (2546, 11160), (2680, 10602), (2736, 10385), (2790, 10184), (2945, 9648), (3015, 9424), (3216, 8835), (3420, 8308), (3534, 8040), (3720, 7638), (3819, 7440), (4020, 7068), (4154, 6840), (4464, 6365), (4560, 6231), (4712, 6030), (4824, 5890), (5092, 5580), (5301, 5360)]