28453320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1613}}^1$

素因数の和:1644

約数の個数: 144

約数和(自身を含む): 107637660

約数和(自身を除く): 79184340

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, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1613, 1764, 1960, 2205, 2520, 2940, 3226, 3528, 4410, 4839, 5880, 6452, 8065, 8820, 9678, 11291, 12904, 14517, 16130, 17640, 19356, 22582, 24195, 29034, 32260, 33873, 38712, 45164, 48390, 56455, 58068, 64520, 67746, 72585, 79037, 90328, 96780, 101619, 112910, 116136, 135492, 145170, 158074, 169365, 193560, 203238, 225820, 237111, 270984, 290340, 316148, 338730, 395185, 406476, 451640, 474222, 508095, 580680, 632296, 677460, 711333, 790370, 812952, 948444, 1016190, 1185555, 1354920, 1422666, 1580740, 1896888, 2032380, 2371110, 2845332, 3161480, 3556665, 4064760, 4742220, 5690664, 7113330, 9484440, 14226660, 28453320]

約数ペア:

[(1, 28453320), (2, 14226660), (3, 9484440), (4, 7113330), (5, 5690664), (6, 4742220), (7, 4064760), (8, 3556665), (9, 3161480), (10, 2845332), (12, 2371110), (14, 2032380), (15, 1896888), (18, 1580740), (20, 1422666), (21, 1354920), (24, 1185555), (28, 1016190), (30, 948444), (35, 812952), (36, 790370), (40, 711333), (42, 677460), (45, 632296), (49, 580680), (56, 508095), (60, 474222), (63, 451640), (70, 406476), (72, 395185), (84, 338730), (90, 316148), (98, 290340), (105, 270984), (120, 237111), (126, 225820), (140, 203238), (147, 193560), (168, 169365), (180, 158074), (196, 145170), (210, 135492), (245, 116136), (252, 112910), (280, 101619), (294, 96780), (315, 90328), (360, 79037), (392, 72585), (420, 67746), (441, 64520), (490, 58068), (504, 56455), (588, 48390), (630, 45164), (735, 38712), (840, 33873), (882, 32260), (980, 29034), (1176, 24195), (1260, 22582), (1470, 19356), (1613, 17640), (1764, 16130), (1960, 14517), (2205, 12904), (2520, 11291), (2940, 9678), (3226, 8820), (3528, 8065), (4410, 6452), (4839, 5880)]