28639080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72448920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 53, 57, 60, 72, 76, 79, 90, 95, 106, 114, 120, 152, 158, 159, 171, 180, 190, 212, 228, 237, 265, 285, 316, 318, 342, 360, 380, 395, 424, 456, 474, 477, 530, 570, 632, 636, 684, 711, 760, 790, 795, 855, 948, 954, 1007, 1060, 1140, 1185, 1272, 1368, 1422, 1501, 1580, 1590, 1710, 1896, 1908, 2014, 2120, 2280, 2370, 2385, 2844, 3002, 3021, 3160, 3180, 3420, 3555, 3816, 4028, 4187, 4503, 4740, 4770, 5035, 5688, 6004, 6042, 6360, 6840, 7110, 7505, 8056, 8374, 9006, 9063, 9480, 9540, 10070, 12008, 12084, 12561, 13509, 14220, 15010, 15105, 16748, 18012, 18126, 19080, 20140, 20935, 22515, 24168, 25122, 27018, 28440, 30020, 30210, 33496, 36024, 36252, 37683, 40280, 41870, 45030, 45315, 50244, 54036, 60040, 60420, 62805, 67545, 72504, 75366, 79553, 83740, 90060, 90630, 100488, 108072, 120840, 125610, 135090, 150732, 159106, 167480, 180120, 181260, 188415, 238659, 251220, 270180, 301464, 318212, 362520, 376830, 397765, 477318, 502440, 540360, 636424, 715977, 753660, 795530, 954636, 1193295, 1431954, 1507320, 1591060, 1909272, 2386590, 2863908, 3182120, 3579885, 4773180, 5727816, 7159770, 9546360, 14319540, 28639080]

約数ペア:

[(1, 28639080), (2, 14319540), (3, 9546360), (4, 7159770), (5, 5727816), (6, 4773180), (8, 3579885), (9, 3182120), (10, 2863908), (12, 2386590), (15, 1909272), (18, 1591060), (19, 1507320), (20, 1431954), (24, 1193295), (30, 954636), (36, 795530), (38, 753660), (40, 715977), (45, 636424), (53, 540360), (57, 502440), (60, 477318), (72, 397765), (76, 376830), (79, 362520), (90, 318212), (95, 301464), (106, 270180), (114, 251220), (120, 238659), (152, 188415), (158, 181260), (159, 180120), (171, 167480), (180, 159106), (190, 150732), (212, 135090), (228, 125610), (237, 120840), (265, 108072), (285, 100488), (316, 90630), (318, 90060), (342, 83740), (360, 79553), (380, 75366), (395, 72504), (424, 67545), (456, 62805), (474, 60420), (477, 60040), (530, 54036), (570, 50244), (632, 45315), (636, 45030), (684, 41870), (711, 40280), (760, 37683), (790, 36252), (795, 36024), (855, 33496), (948, 30210), (954, 30020), (1007, 28440), (1060, 27018), (1140, 25122), (1185, 24168), (1272, 22515), (1368, 20935), (1422, 20140), (1501, 19080), (1580, 18126), (1590, 18012), (1710, 16748), (1896, 15105), (1908, 15010), (2014, 14220), (2120, 13509), (2280, 12561), (2370, 12084), (2385, 12008), (2844, 10070), (3002, 9540), (3021, 9480), (3160, 9063), (3180, 9006), (3420, 8374), (3555, 8056), (3816, 7505), (4028, 7110), (4187, 6840), (4503, 6360), (4740, 6042), (4770, 6004), (5035, 5688)]