18486480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 63638784

約数和(自身を除く): 45152304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 197, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 394, 408, 460, 510, 552, 591, 680, 690, 782, 788, 816, 920, 985, 1020, 1104, 1173, 1182, 1360, 1380, 1564, 1576, 1840, 1955, 1970, 2040, 2346, 2364, 2760, 2955, 3128, 3152, 3349, 3910, 3940, 4080, 4531, 4692, 4728, 5520, 5865, 5910, 6256, 6698, 7820, 7880, 9062, 9384, 9456, 10047, 11730, 11820, 13396, 13593, 15640, 15760, 16745, 18124, 18768, 20094, 22655, 23460, 23640, 26792, 27186, 31280, 33490, 36248, 40188, 45310, 46920, 47280, 50235, 53584, 54372, 66980, 67965, 72496, 77027, 80376, 90620, 93840, 100470, 108744, 133960, 135930, 154054, 160752, 181240, 200940, 217488, 231081, 267920, 271860, 308108, 362480, 385135, 401880, 462162, 543720, 616216, 770270, 803760, 924324, 1087440, 1155405, 1232432, 1540540, 1848648, 2310810, 3081080, 3697296, 4621620, 6162160, 9243240, 18486480]

約数ペア:

[(1, 18486480), (2, 9243240), (3, 6162160), (4, 4621620), (5, 3697296), (6, 3081080), (8, 2310810), (10, 1848648), (12, 1540540), (15, 1232432), (16, 1155405), (17, 1087440), (20, 924324), (23, 803760), (24, 770270), (30, 616216), (34, 543720), (40, 462162), (46, 401880), (48, 385135), (51, 362480), (60, 308108), (68, 271860), (69, 267920), (80, 231081), (85, 217488), (92, 200940), (102, 181240), (115, 160752), (120, 154054), (136, 135930), (138, 133960), (170, 108744), (184, 100470), (197, 93840), (204, 90620), (230, 80376), (240, 77027), (255, 72496), (272, 67965), (276, 66980), (340, 54372), (345, 53584), (368, 50235), (391, 47280), (394, 46920), (408, 45310), (460, 40188), (510, 36248), (552, 33490), (591, 31280), (680, 27186), (690, 26792), (782, 23640), (788, 23460), (816, 22655), (920, 20094), (985, 18768), (1020, 18124), (1104, 16745), (1173, 15760), (1182, 15640), (1360, 13593), (1380, 13396), (1564, 11820), (1576, 11730), (1840, 10047), (1955, 9456), (1970, 9384), (2040, 9062), (2346, 7880), (2364, 7820), (2760, 6698), (2955, 6256), (3128, 5910), (3152, 5865), (3349, 5520), (3910, 4728), (3940, 4692), (4080, 4531)]