28358880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 100590336

約数和(自身を除く): 72231456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 96, 110, 120, 123, 131, 132, 160, 164, 165, 176, 205, 220, 240, 246, 262, 264, 328, 330, 352, 393, 410, 440, 451, 480, 492, 524, 528, 615, 655, 656, 660, 786, 820, 880, 902, 984, 1048, 1056, 1230, 1310, 1312, 1320, 1353, 1441, 1572, 1640, 1760, 1804, 1965, 1968, 2096, 2255, 2460, 2620, 2640, 2706, 2882, 3144, 3280, 3608, 3930, 3936, 4192, 4323, 4510, 4920, 5240, 5280, 5371, 5412, 5764, 6288, 6560, 6765, 7205, 7216, 7860, 8646, 9020, 9840, 10480, 10742, 10824, 11528, 12576, 13530, 14410, 14432, 15720, 16113, 17292, 18040, 19680, 20960, 21484, 21615, 21648, 23056, 26855, 27060, 28820, 31440, 32226, 34584, 36080, 42968, 43230, 43296, 46112, 53710, 54120, 57640, 59081, 62880, 64452, 69168, 72160, 80565, 85936, 86460, 107420, 108240, 115280, 118162, 128904, 138336, 161130, 171872, 172920, 177243, 214840, 216480, 230560, 236324, 257808, 295405, 322260, 345840, 354486, 429680, 472648, 515616, 590810, 644520, 691680, 708972, 859360, 886215, 945296, 1181620, 1289040, 1417944, 1772430, 1890592, 2363240, 2578080, 2835888, 3544860, 4726480, 5671776, 7089720, 9452960, 14179440, 28358880]

約数ペア:

[(1, 28358880), (2, 14179440), (3, 9452960), (4, 7089720), (5, 5671776), (6, 4726480), (8, 3544860), (10, 2835888), (11, 2578080), (12, 2363240), (15, 1890592), (16, 1772430), (20, 1417944), (22, 1289040), (24, 1181620), (30, 945296), (32, 886215), (33, 859360), (40, 708972), (41, 691680), (44, 644520), (48, 590810), (55, 515616), (60, 472648), (66, 429680), (80, 354486), (82, 345840), (88, 322260), (96, 295405), (110, 257808), (120, 236324), (123, 230560), (131, 216480), (132, 214840), (160, 177243), (164, 172920), (165, 171872), (176, 161130), (205, 138336), (220, 128904), (240, 118162), (246, 115280), (262, 108240), (264, 107420), (328, 86460), (330, 85936), (352, 80565), (393, 72160), (410, 69168), (440, 64452), (451, 62880), (480, 59081), (492, 57640), (524, 54120), (528, 53710), (615, 46112), (655, 43296), (656, 43230), (660, 42968), (786, 36080), (820, 34584), (880, 32226), (902, 31440), (984, 28820), (1048, 27060), (1056, 26855), (1230, 23056), (1310, 21648), (1312, 21615), (1320, 21484), (1353, 20960), (1441, 19680), (1572, 18040), (1640, 17292), (1760, 16113), (1804, 15720), (1965, 14432), (1968, 14410), (2096, 13530), (2255, 12576), (2460, 11528), (2620, 10824), (2640, 10742), (2706, 10480), (2882, 9840), (3144, 9020), (3280, 8646), (3608, 7860), (3930, 7216), (3936, 7205), (4192, 6765), (4323, 6560), (4510, 6288), (4920, 5764), (5240, 5412), (5280, 5371)]