218765520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 240

約数和(自身を含む): 793355472

約数和(自身を除く): 574589952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 61, 68, 72, 80, 85, 90, 102, 120, 122, 136, 144, 153, 170, 180, 183, 204, 240, 244, 255, 272, 293, 305, 306, 340, 360, 366, 408, 488, 510, 549, 586, 610, 612, 680, 720, 732, 765, 816, 879, 915, 976, 1020, 1037, 1098, 1172, 1220, 1224, 1360, 1464, 1465, 1530, 1758, 1830, 2040, 2074, 2196, 2344, 2440, 2448, 2637, 2745, 2928, 2930, 3060, 3111, 3516, 3660, 4080, 4148, 4392, 4395, 4688, 4880, 4981, 5185, 5274, 5490, 5860, 6120, 6222, 7032, 7320, 8296, 8784, 8790, 9333, 9962, 10370, 10548, 10980, 11720, 12240, 12444, 13185, 14064, 14640, 14943, 15555, 16592, 17580, 17873, 18666, 19924, 20740, 21096, 21960, 23440, 24888, 24905, 26370, 29886, 31110, 35160, 35746, 37332, 39848, 41480, 42192, 43920, 44829, 46665, 49776, 49810, 52740, 53619, 59772, 62220, 70320, 71492, 74664, 74715, 79696, 82960, 89365, 89658, 93330, 99620, 105480, 107238, 119544, 124440, 142984, 149328, 149430, 160857, 178730, 179316, 186660, 199240, 210960, 214476, 224145, 239088, 248880, 268095, 285968, 298860, 303841, 321714, 357460, 358632, 373320, 398480, 428952, 448290, 536190, 597720, 607682, 643428, 714920, 717264, 746640, 804285, 857904, 896580, 911523, 1072380, 1195440, 1215364, 1286856, 1429840, 1519205, 1608570, 1793160, 1823046, 2144760, 2430728, 2573712, 2734569, 3038410, 3217140, 3586320, 3646092, 4289520, 4557615, 4861456, 5469138, 6076820, 6434280, 7292184, 9115230, 10938276, 12153640, 12868560, 13672845, 14584368, 18230460, 21876552, 24307280, 27345690, 36460920, 43753104, 54691380, 72921840, 109382760, 218765520]

約数ペア:

[(1, 218765520), (2, 109382760), (3, 72921840), (4, 54691380), (5, 43753104), (6, 36460920), (8, 27345690), (9, 24307280), (10, 21876552), (12, 18230460), (15, 14584368), (16, 13672845), (17, 12868560), (18, 12153640), (20, 10938276), (24, 9115230), (30, 7292184), (34, 6434280), (36, 6076820), (40, 5469138), (45, 4861456), (48, 4557615), (51, 4289520), (60, 3646092), (61, 3586320), (68, 3217140), (72, 3038410), (80, 2734569), (85, 2573712), (90, 2430728), (102, 2144760), (120, 1823046), (122, 1793160), (136, 1608570), (144, 1519205), (153, 1429840), (170, 1286856), (180, 1215364), (183, 1195440), (204, 1072380), (240, 911523), (244, 896580), (255, 857904), (272, 804285), (293, 746640), (305, 717264), (306, 714920), (340, 643428), (360, 607682), (366, 597720), (408, 536190), (488, 448290), (510, 428952), (549, 398480), (586, 373320), (610, 358632), (612, 357460), (680, 321714), (720, 303841), (732, 298860), (765, 285968), (816, 268095), (879, 248880), (915, 239088), (976, 224145), (1020, 214476), (1037, 210960), (1098, 199240), (1172, 186660), (1220, 179316), (1224, 178730), (1360, 160857), (1464, 149430), (1465, 149328), (1530, 142984), (1758, 124440), (1830, 119544), (2040, 107238), (2074, 105480), (2196, 99620), (2344, 93330), (2440, 89658), (2448, 89365), (2637, 82960), (2745, 79696), (2928, 74715), (2930, 74664), (3060, 71492), (3111, 70320), (3516, 62220), (3660, 59772), (4080, 53619), (4148, 52740), (4392, 49810), (4395, 49776), (4688, 46665), (4880, 44829), (4981, 43920), (5185, 42192), (5274, 41480), (5490, 39848), (5860, 37332), (6120, 35746), (6222, 35160), (7032, 31110), (7320, 29886), (8296, 26370), (8784, 24905), (8790, 24888), (9333, 23440), (9962, 21960), (10370, 21096), (10548, 20740), (10980, 19924), (11720, 18666), (12240, 17873), (12444, 17580), (13185, 16592), (14064, 15555), (14640, 14943)]