28198920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 93623040

約数和(自身を除く): 65424120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 601, 680, 690, 782, 920, 1020, 1173, 1202, 1380, 1564, 1803, 1955, 2040, 2346, 2404, 2760, 3005, 3128, 3606, 3910, 4692, 4808, 5865, 6010, 7212, 7820, 9015, 9384, 10217, 11730, 12020, 13823, 14424, 15640, 18030, 20434, 23460, 24040, 27646, 30651, 36060, 40868, 41469, 46920, 51085, 55292, 61302, 69115, 72120, 81736, 82938, 102170, 110584, 122604, 138230, 153255, 165876, 204340, 207345, 234991, 245208, 276460, 306510, 331752, 408680, 414690, 469982, 552920, 613020, 704973, 829380, 939964, 1174955, 1226040, 1409946, 1658760, 1879928, 2349910, 2819892, 3524865, 4699820, 5639784, 7049730, 9399640, 14099460, 28198920]

約数ペア:

[(1, 28198920), (2, 14099460), (3, 9399640), (4, 7049730), (5, 5639784), (6, 4699820), (8, 3524865), (10, 2819892), (12, 2349910), (15, 1879928), (17, 1658760), (20, 1409946), (23, 1226040), (24, 1174955), (30, 939964), (34, 829380), (40, 704973), (46, 613020), (51, 552920), (60, 469982), (68, 414690), (69, 408680), (85, 331752), (92, 306510), (102, 276460), (115, 245208), (120, 234991), (136, 207345), (138, 204340), (170, 165876), (184, 153255), (204, 138230), (230, 122604), (255, 110584), (276, 102170), (340, 82938), (345, 81736), (391, 72120), (408, 69115), (460, 61302), (510, 55292), (552, 51085), (601, 46920), (680, 41469), (690, 40868), (782, 36060), (920, 30651), (1020, 27646), (1173, 24040), (1202, 23460), (1380, 20434), (1564, 18030), (1803, 15640), (1955, 14424), (2040, 13823), (2346, 12020), (2404, 11730), (2760, 10217), (3005, 9384), (3128, 9015), (3606, 7820), (3910, 7212), (4692, 6010), (4808, 5865)]