28212720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 96422400

約数和(自身を除く): 68209680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 240, 269, 276, 285, 304, 345, 368, 380, 437, 456, 460, 538, 552, 570, 690, 760, 807, 874, 912, 920, 1076, 1104, 1140, 1311, 1345, 1380, 1520, 1614, 1748, 1840, 2152, 2185, 2280, 2622, 2690, 2760, 3228, 3496, 4035, 4304, 4370, 4560, 5111, 5244, 5380, 5520, 6187, 6456, 6555, 6992, 8070, 8740, 10222, 10488, 10760, 12374, 12912, 13110, 15333, 16140, 17480, 18561, 20444, 20976, 21520, 24748, 25555, 26220, 30666, 30935, 32280, 34960, 37122, 40888, 49496, 51110, 52440, 61332, 61870, 64560, 74244, 76665, 81776, 92805, 98992, 102220, 104880, 117553, 122664, 123740, 148488, 153330, 185610, 204440, 235106, 245328, 247480, 296976, 306660, 352659, 371220, 408880, 470212, 494960, 587765, 613320, 705318, 742440, 940424, 1175530, 1226640, 1410636, 1484880, 1763295, 1880848, 2351060, 2821272, 3526590, 4702120, 5642544, 7053180, 9404240, 14106360, 28212720]

約数ペア:

[(1, 28212720), (2, 14106360), (3, 9404240), (4, 7053180), (5, 5642544), (6, 4702120), (8, 3526590), (10, 2821272), (12, 2351060), (15, 1880848), (16, 1763295), (19, 1484880), (20, 1410636), (23, 1226640), (24, 1175530), (30, 940424), (38, 742440), (40, 705318), (46, 613320), (48, 587765), (57, 494960), (60, 470212), (69, 408880), (76, 371220), (80, 352659), (92, 306660), (95, 296976), (114, 247480), (115, 245328), (120, 235106), (138, 204440), (152, 185610), (184, 153330), (190, 148488), (228, 123740), (230, 122664), (240, 117553), (269, 104880), (276, 102220), (285, 98992), (304, 92805), (345, 81776), (368, 76665), (380, 74244), (437, 64560), (456, 61870), (460, 61332), (538, 52440), (552, 51110), (570, 49496), (690, 40888), (760, 37122), (807, 34960), (874, 32280), (912, 30935), (920, 30666), (1076, 26220), (1104, 25555), (1140, 24748), (1311, 21520), (1345, 20976), (1380, 20444), (1520, 18561), (1614, 17480), (1748, 16140), (1840, 15333), (2152, 13110), (2185, 12912), (2280, 12374), (2622, 10760), (2690, 10488), (2760, 10222), (3228, 8740), (3496, 8070), (4035, 6992), (4304, 6555), (4370, 6456), (4560, 6187), (5111, 5520), (5244, 5380)]