28072590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 85617648

約数和(自身を除く): 57545058

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 113, 130, 147, 169, 182, 195, 210, 226, 245, 273, 294, 338, 339, 390, 455, 490, 507, 546, 565, 637, 678, 735, 791, 845, 910, 1014, 1130, 1183, 1274, 1365, 1469, 1470, 1582, 1690, 1695, 1911, 2366, 2373, 2535, 2730, 2938, 3185, 3390, 3549, 3822, 3955, 4407, 4746, 5070, 5537, 5915, 6370, 7098, 7345, 7910, 8281, 8814, 9555, 10283, 11074, 11830, 11865, 14690, 16562, 16611, 17745, 19097, 19110, 20566, 22035, 23730, 24843, 27685, 30849, 33222, 35490, 38194, 41405, 44070, 49686, 51415, 55370, 57291, 61698, 71981, 82810, 83055, 95485, 102830, 114582, 124215, 133679, 143962, 154245, 166110, 190970, 215943, 248430, 267358, 286455, 308490, 359905, 401037, 431886, 572910, 668395, 719810, 802074, 935753, 1079715, 1336790, 1871506, 2005185, 2159430, 2807259, 4010370, 4678765, 5614518, 9357530, 14036295, 28072590]

約数ペア:

[(1, 28072590), (2, 14036295), (3, 9357530), (5, 5614518), (6, 4678765), (7, 4010370), (10, 2807259), (13, 2159430), (14, 2005185), (15, 1871506), (21, 1336790), (26, 1079715), (30, 935753), (35, 802074), (39, 719810), (42, 668395), (49, 572910), (65, 431886), (70, 401037), (78, 359905), (91, 308490), (98, 286455), (105, 267358), (113, 248430), (130, 215943), (147, 190970), (169, 166110), (182, 154245), (195, 143962), (210, 133679), (226, 124215), (245, 114582), (273, 102830), (294, 95485), (338, 83055), (339, 82810), (390, 71981), (455, 61698), (490, 57291), (507, 55370), (546, 51415), (565, 49686), (637, 44070), (678, 41405), (735, 38194), (791, 35490), (845, 33222), (910, 30849), (1014, 27685), (1130, 24843), (1183, 23730), (1274, 22035), (1365, 20566), (1469, 19110), (1470, 19097), (1582, 17745), (1690, 16611), (1695, 16562), (1911, 14690), (2366, 11865), (2373, 11830), (2535, 11074), (2730, 10283), (2938, 9555), (3185, 8814), (3390, 8281), (3549, 7910), (3822, 7345), (3955, 7098), (4407, 6370), (4746, 5915), (5070, 5537)]