28808880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 98993664

約数和(自身を除く): 70184784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 240, 255, 272, 276, 307, 340, 345, 368, 391, 408, 460, 510, 552, 614, 680, 690, 782, 816, 920, 921, 1020, 1104, 1173, 1228, 1360, 1380, 1535, 1564, 1840, 1842, 1955, 2040, 2346, 2456, 2760, 3070, 3128, 3684, 3910, 4080, 4605, 4692, 4912, 5219, 5520, 5865, 6140, 6256, 7061, 7368, 7820, 9210, 9384, 10438, 11730, 12280, 14122, 14736, 15640, 15657, 18420, 18768, 20876, 21183, 23460, 24560, 26095, 28244, 31280, 31314, 35305, 36840, 41752, 42366, 46920, 52190, 56488, 62628, 70610, 73680, 78285, 83504, 84732, 93840, 104380, 105915, 112976, 120037, 125256, 141220, 156570, 169464, 208760, 211830, 240074, 250512, 282440, 313140, 338928, 360111, 417520, 423660, 480148, 564880, 600185, 626280, 720222, 847320, 960296, 1200370, 1252560, 1440444, 1694640, 1800555, 1920592, 2400740, 2880888, 3601110, 4801480, 5761776, 7202220, 9602960, 14404440, 28808880]

約数ペア:

[(1, 28808880), (2, 14404440), (3, 9602960), (4, 7202220), (5, 5761776), (6, 4801480), (8, 3601110), (10, 2880888), (12, 2400740), (15, 1920592), (16, 1800555), (17, 1694640), (20, 1440444), (23, 1252560), (24, 1200370), (30, 960296), (34, 847320), (40, 720222), (46, 626280), (48, 600185), (51, 564880), (60, 480148), (68, 423660), (69, 417520), (80, 360111), (85, 338928), (92, 313140), (102, 282440), (115, 250512), (120, 240074), (136, 211830), (138, 208760), (170, 169464), (184, 156570), (204, 141220), (230, 125256), (240, 120037), (255, 112976), (272, 105915), (276, 104380), (307, 93840), (340, 84732), (345, 83504), (368, 78285), (391, 73680), (408, 70610), (460, 62628), (510, 56488), (552, 52190), (614, 46920), (680, 42366), (690, 41752), (782, 36840), (816, 35305), (920, 31314), (921, 31280), (1020, 28244), (1104, 26095), (1173, 24560), (1228, 23460), (1360, 21183), (1380, 20876), (1535, 18768), (1564, 18420), (1840, 15657), (1842, 15640), (1955, 14736), (2040, 14122), (2346, 12280), (2456, 11730), (2760, 10438), (3070, 9384), (3128, 9210), (3684, 7820), (3910, 7368), (4080, 7061), (4605, 6256), (4692, 6140), (4912, 5865), (5219, 5520)]