28181160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 107153280

約数和(自身を除く): 78972120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 53, 56, 60, 63, 70, 72, 84, 90, 105, 106, 120, 126, 140, 159, 168, 180, 210, 211, 212, 252, 265, 280, 315, 318, 360, 371, 420, 422, 424, 477, 504, 530, 630, 633, 636, 742, 795, 840, 844, 954, 1055, 1060, 1113, 1260, 1266, 1272, 1477, 1484, 1590, 1688, 1855, 1899, 1908, 2110, 2120, 2226, 2385, 2520, 2532, 2954, 2968, 3165, 3180, 3339, 3710, 3798, 3816, 4220, 4431, 4452, 4770, 5064, 5565, 5908, 6330, 6360, 6678, 7385, 7420, 7596, 8440, 8862, 8904, 9495, 9540, 11130, 11183, 11816, 12660, 13293, 13356, 14770, 14840, 15192, 16695, 17724, 18990, 19080, 22155, 22260, 22366, 25320, 26586, 26712, 29540, 33390, 33549, 35448, 37980, 44310, 44520, 44732, 53172, 55915, 59080, 66465, 66780, 67098, 75960, 78281, 88620, 89464, 100647, 106344, 111830, 132930, 133560, 134196, 156562, 167745, 177240, 201294, 223660, 234843, 265860, 268392, 313124, 335490, 391405, 402588, 447320, 469686, 503235, 531720, 626248, 670980, 704529, 782810, 805176, 939372, 1006470, 1174215, 1341960, 1409058, 1565620, 1878744, 2012940, 2348430, 2818116, 3131240, 3522645, 4025880, 4696860, 5636232, 7045290, 9393720, 14090580, 28181160]

約数ペア:

[(1, 28181160), (2, 14090580), (3, 9393720), (4, 7045290), (5, 5636232), (6, 4696860), (7, 4025880), (8, 3522645), (9, 3131240), (10, 2818116), (12, 2348430), (14, 2012940), (15, 1878744), (18, 1565620), (20, 1409058), (21, 1341960), (24, 1174215), (28, 1006470), (30, 939372), (35, 805176), (36, 782810), (40, 704529), (42, 670980), (45, 626248), (53, 531720), (56, 503235), (60, 469686), (63, 447320), (70, 402588), (72, 391405), (84, 335490), (90, 313124), (105, 268392), (106, 265860), (120, 234843), (126, 223660), (140, 201294), (159, 177240), (168, 167745), (180, 156562), (210, 134196), (211, 133560), (212, 132930), (252, 111830), (265, 106344), (280, 100647), (315, 89464), (318, 88620), (360, 78281), (371, 75960), (420, 67098), (422, 66780), (424, 66465), (477, 59080), (504, 55915), (530, 53172), (630, 44732), (633, 44520), (636, 44310), (742, 37980), (795, 35448), (840, 33549), (844, 33390), (954, 29540), (1055, 26712), (1060, 26586), (1113, 25320), (1260, 22366), (1266, 22260), (1272, 22155), (1477, 19080), (1484, 18990), (1590, 17724), (1688, 16695), (1855, 15192), (1899, 14840), (1908, 14770), (2110, 13356), (2120, 13293), (2226, 12660), (2385, 11816), (2520, 11183), (2532, 11130), (2954, 9540), (2968, 9495), (3165, 8904), (3180, 8862), (3339, 8440), (3710, 7596), (3798, 7420), (3816, 7385), (4220, 6678), (4431, 6360), (4452, 6330), (4770, 5908), (5064, 5565)]