80804880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 298574640

約数和(自身を除く): 217769760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 89, 90, 97, 104, 117, 120, 130, 144, 156, 178, 180, 194, 195, 208, 234, 240, 260, 267, 291, 312, 356, 360, 388, 390, 445, 468, 485, 520, 534, 582, 585, 624, 712, 720, 776, 780, 801, 873, 890, 936, 970, 1040, 1068, 1157, 1164, 1170, 1261, 1335, 1424, 1455, 1552, 1560, 1602, 1746, 1780, 1872, 1940, 2136, 2314, 2328, 2340, 2522, 2670, 2910, 3120, 3204, 3471, 3492, 3560, 3783, 3880, 4005, 4272, 4365, 4628, 4656, 4680, 5044, 5340, 5785, 5820, 6305, 6408, 6942, 6984, 7120, 7566, 7760, 8010, 8633, 8730, 9256, 9360, 10088, 10413, 10680, 11349, 11570, 11640, 12610, 12816, 13884, 13968, 15132, 16020, 17266, 17355, 17460, 18512, 18915, 20176, 20826, 21360, 22698, 23140, 23280, 25220, 25899, 27768, 30264, 32040, 34532, 34710, 34920, 37830, 41652, 43165, 45396, 46280, 50440, 51798, 52065, 55536, 56745, 60528, 64080, 69064, 69420, 69840, 75660, 77697, 83304, 86330, 90792, 92560, 100880, 103596, 104130, 112229, 113490, 129495, 138128, 138840, 151320, 155394, 166608, 172660, 181584, 207192, 208260, 224458, 226980, 258990, 277680, 302640, 310788, 336687, 345320, 388485, 414384, 416520, 448916, 453960, 517980, 561145, 621576, 673374, 690640, 776970, 833040, 897832, 907920, 1010061, 1035960, 1122290, 1243152, 1346748, 1553940, 1683435, 1795664, 2020122, 2071920, 2244580, 2693496, 3107880, 3366870, 4040244, 4489160, 5050305, 5386992, 6215760, 6733740, 8080488, 8978320, 10100610, 13467480, 16160976, 20201220, 26934960, 40402440, 80804880]

約数ペア:

[(1, 80804880), (2, 40402440), (3, 26934960), (4, 20201220), (5, 16160976), (6, 13467480), (8, 10100610), (9, 8978320), (10, 8080488), (12, 6733740), (13, 6215760), (15, 5386992), (16, 5050305), (18, 4489160), (20, 4040244), (24, 3366870), (26, 3107880), (30, 2693496), (36, 2244580), (39, 2071920), (40, 2020122), (45, 1795664), (48, 1683435), (52, 1553940), (60, 1346748), (65, 1243152), (72, 1122290), (78, 1035960), (80, 1010061), (89, 907920), (90, 897832), (97, 833040), (104, 776970), (117, 690640), (120, 673374), (130, 621576), (144, 561145), (156, 517980), (178, 453960), (180, 448916), (194, 416520), (195, 414384), (208, 388485), (234, 345320), (240, 336687), (260, 310788), (267, 302640), (291, 277680), (312, 258990), (356, 226980), (360, 224458), (388, 208260), (390, 207192), (445, 181584), (468, 172660), (485, 166608), (520, 155394), (534, 151320), (582, 138840), (585, 138128), (624, 129495), (712, 113490), (720, 112229), (776, 104130), (780, 103596), (801, 100880), (873, 92560), (890, 90792), (936, 86330), (970, 83304), (1040, 77697), (1068, 75660), (1157, 69840), (1164, 69420), (1170, 69064), (1261, 64080), (1335, 60528), (1424, 56745), (1455, 55536), (1552, 52065), (1560, 51798), (1602, 50440), (1746, 46280), (1780, 45396), (1872, 43165), (1940, 41652), (2136, 37830), (2314, 34920), (2328, 34710), (2340, 34532), (2522, 32040), (2670, 30264), (2910, 27768), (3120, 25899), (3204, 25220), (3471, 23280), (3492, 23140), (3560, 22698), (3783, 21360), (3880, 20826), (4005, 20176), (4272, 18915), (4365, 18512), (4628, 17460), (4656, 17355), (4680, 17266), (5044, 16020), (5340, 15132), (5785, 13968), (5820, 13884), (6305, 12816), (6408, 12610), (6942, 11640), (6984, 11570), (7120, 11349), (7566, 10680), (7760, 10413), (8010, 10088), (8633, 9360), (8730, 9256)]