28123920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 106546752

約数和(自身を除く): 78422832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 53, 55, 60, 66, 67, 72, 80, 88, 90, 99, 106, 110, 120, 132, 134, 144, 159, 165, 176, 180, 198, 201, 212, 220, 240, 264, 265, 268, 318, 330, 335, 360, 396, 402, 424, 440, 477, 495, 528, 530, 536, 583, 603, 636, 660, 670, 720, 737, 792, 795, 804, 848, 880, 954, 990, 1005, 1060, 1072, 1166, 1206, 1272, 1320, 1340, 1474, 1584, 1590, 1608, 1749, 1908, 1980, 2010, 2120, 2211, 2332, 2385, 2412, 2544, 2640, 2680, 2915, 2948, 3015, 3180, 3216, 3498, 3551, 3685, 3816, 3960, 4020, 4240, 4422, 4664, 4770, 4824, 5247, 5360, 5830, 5896, 6030, 6360, 6633, 6996, 7102, 7370, 7632, 7920, 8040, 8745, 8844, 9328, 9540, 9648, 10494, 10653, 11055, 11660, 11792, 12060, 12720, 13266, 13992, 14204, 14740, 16080, 17490, 17688, 17755, 19080, 20988, 21306, 22110, 23320, 24120, 26235, 26532, 27984, 28408, 29480, 31959, 33165, 34980, 35376, 35510, 38160, 39061, 41976, 42612, 44220, 46640, 48240, 52470, 53064, 53265, 56816, 58960, 63918, 66330, 69960, 71020, 78122, 83952, 85224, 88440, 104940, 106128, 106530, 117183, 127836, 132660, 139920, 142040, 156244, 159795, 170448, 176880, 195305, 209880, 213060, 234366, 255672, 265320, 284080, 312488, 319590, 351549, 390610, 419760, 426120, 468732, 511344, 530640, 585915, 624976, 639180, 703098, 781220, 852240, 937464, 1171830, 1278360, 1406196, 1562440, 1757745, 1874928, 2343660, 2556720, 2812392, 3124880, 3515490, 4687320, 5624784, 7030980, 9374640, 14061960, 28123920]

約数ペア:

[(1, 28123920), (2, 14061960), (3, 9374640), (4, 7030980), (5, 5624784), (6, 4687320), (8, 3515490), (9, 3124880), (10, 2812392), (11, 2556720), (12, 2343660), (15, 1874928), (16, 1757745), (18, 1562440), (20, 1406196), (22, 1278360), (24, 1171830), (30, 937464), (33, 852240), (36, 781220), (40, 703098), (44, 639180), (45, 624976), (48, 585915), (53, 530640), (55, 511344), (60, 468732), (66, 426120), (67, 419760), (72, 390610), (80, 351549), (88, 319590), (90, 312488), (99, 284080), (106, 265320), (110, 255672), (120, 234366), (132, 213060), (134, 209880), (144, 195305), (159, 176880), (165, 170448), (176, 159795), (180, 156244), (198, 142040), (201, 139920), (212, 132660), (220, 127836), (240, 117183), (264, 106530), (265, 106128), (268, 104940), (318, 88440), (330, 85224), (335, 83952), (360, 78122), (396, 71020), (402, 69960), (424, 66330), (440, 63918), (477, 58960), (495, 56816), (528, 53265), (530, 53064), (536, 52470), (583, 48240), (603, 46640), (636, 44220), (660, 42612), (670, 41976), (720, 39061), (737, 38160), (792, 35510), (795, 35376), (804, 34980), (848, 33165), (880, 31959), (954, 29480), (990, 28408), (1005, 27984), (1060, 26532), (1072, 26235), (1166, 24120), (1206, 23320), (1272, 22110), (1320, 21306), (1340, 20988), (1474, 19080), (1584, 17755), (1590, 17688), (1608, 17490), (1749, 16080), (1908, 14740), (1980, 14204), (2010, 13992), (2120, 13266), (2211, 12720), (2332, 12060), (2385, 11792), (2412, 11660), (2544, 11055), (2640, 10653), (2680, 10494), (2915, 9648), (2948, 9540), (3015, 9328), (3180, 8844), (3216, 8745), (3498, 8040), (3551, 7920), (3685, 7632), (3816, 7370), (3960, 7102), (4020, 6996), (4240, 6633), (4422, 6360), (4664, 6030), (4770, 5896), (4824, 5830), (5247, 5360)]