28616280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 113356800

約数和(自身を除く): 84740520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 163, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 326, 330, 380, 385, 399, 418, 420, 440, 456, 462, 489, 532, 570, 616, 627, 652, 660, 665, 760, 770, 798, 815, 836, 840, 924, 978, 1045, 1064, 1140, 1141, 1155, 1254, 1304, 1320, 1330, 1463, 1540, 1596, 1630, 1672, 1793, 1848, 1956, 1995, 2090, 2280, 2282, 2310, 2445, 2508, 2660, 2926, 3080, 3097, 3135, 3192, 3260, 3423, 3586, 3912, 3990, 4180, 4389, 4564, 4620, 4890, 5016, 5320, 5379, 5705, 5852, 6194, 6270, 6520, 6846, 7172, 7315, 7980, 8360, 8778, 8965, 9128, 9240, 9291, 9780, 10758, 11410, 11704, 12388, 12540, 12551, 13692, 14344, 14630, 15485, 15960, 17115, 17556, 17930, 18582, 19560, 21516, 21679, 21945, 22820, 24776, 25080, 25102, 26895, 27384, 29260, 30970, 34067, 34230, 35112, 35860, 37164, 37653, 43032, 43358, 43890, 45640, 46455, 50204, 53790, 58520, 61940, 62755, 65037, 68134, 68460, 71720, 74328, 75306, 86716, 87780, 92910, 100408, 102201, 107580, 108395, 123880, 125510, 130074, 136268, 136920, 150612, 170335, 173432, 175560, 185820, 188265, 204402, 215160, 216790, 238469, 251020, 260148, 272536, 301224, 325185, 340670, 371640, 376530, 408804, 433580, 476938, 502040, 511005, 520296, 650370, 681340, 715407, 753060, 817608, 867160, 953876, 1022010, 1192345, 1300740, 1362680, 1430814, 1506120, 1907752, 2044020, 2384690, 2601480, 2861628, 3577035, 4088040, 4769380, 5723256, 7154070, 9538760, 14308140, 28616280]

約数ペア:

[(1, 28616280), (2, 14308140), (3, 9538760), (4, 7154070), (5, 5723256), (6, 4769380), (7, 4088040), (8, 3577035), (10, 2861628), (11, 2601480), (12, 2384690), (14, 2044020), (15, 1907752), (19, 1506120), (20, 1430814), (21, 1362680), (22, 1300740), (24, 1192345), (28, 1022010), (30, 953876), (33, 867160), (35, 817608), (38, 753060), (40, 715407), (42, 681340), (44, 650370), (55, 520296), (56, 511005), (57, 502040), (60, 476938), (66, 433580), (70, 408804), (76, 376530), (77, 371640), (84, 340670), (88, 325185), (95, 301224), (105, 272536), (110, 260148), (114, 251020), (120, 238469), (132, 216790), (133, 215160), (140, 204402), (152, 188265), (154, 185820), (163, 175560), (165, 173432), (168, 170335), (190, 150612), (209, 136920), (210, 136268), (220, 130074), (228, 125510), (231, 123880), (264, 108395), (266, 107580), (280, 102201), (285, 100408), (308, 92910), (326, 87780), (330, 86716), (380, 75306), (385, 74328), (399, 71720), (418, 68460), (420, 68134), (440, 65037), (456, 62755), (462, 61940), (489, 58520), (532, 53790), (570, 50204), (616, 46455), (627, 45640), (652, 43890), (660, 43358), (665, 43032), (760, 37653), (770, 37164), (798, 35860), (815, 35112), (836, 34230), (840, 34067), (924, 30970), (978, 29260), (1045, 27384), (1064, 26895), (1140, 25102), (1141, 25080), (1155, 24776), (1254, 22820), (1304, 21945), (1320, 21679), (1330, 21516), (1463, 19560), (1540, 18582), (1596, 17930), (1630, 17556), (1672, 17115), (1793, 15960), (1848, 15485), (1956, 14630), (1995, 14344), (2090, 13692), (2280, 12551), (2282, 12540), (2310, 12388), (2445, 11704), (2508, 11410), (2660, 10758), (2926, 9780), (3080, 9291), (3097, 9240), (3135, 9128), (3192, 8965), (3260, 8778), (3423, 8360), (3586, 7980), (3912, 7315), (3990, 7172), (4180, 6846), (4389, 6520), (4564, 6270), (4620, 6194), (4890, 5852), (5016, 5705), (5320, 5379)]