178995040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 216

約数和(自身を含む): 529169760

約数和(自身を除く): 350174720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 79, 80, 85, 98, 112, 119, 136, 140, 158, 160, 170, 196, 224, 238, 245, 272, 280, 289, 316, 340, 392, 395, 476, 490, 544, 553, 560, 578, 595, 632, 680, 784, 790, 833, 952, 980, 1106, 1120, 1156, 1190, 1264, 1343, 1360, 1445, 1568, 1580, 1666, 1904, 1960, 2023, 2212, 2312, 2380, 2528, 2686, 2720, 2765, 2890, 3160, 3332, 3808, 3871, 3920, 4046, 4165, 4424, 4624, 4760, 5372, 5530, 5780, 6320, 6664, 6715, 7742, 7840, 8092, 8330, 8848, 9248, 9401, 9520, 10115, 10744, 11060, 11560, 12640, 13328, 13430, 14161, 15484, 16184, 16660, 17696, 18802, 19040, 19355, 20230, 21488, 22120, 22831, 23120, 26656, 26860, 28322, 30968, 32368, 33320, 37604, 38710, 40460, 42976, 44240, 45662, 46240, 47005, 53720, 56644, 61936, 64736, 65807, 66640, 70805, 75208, 77420, 80920, 88480, 91324, 94010, 107440, 113288, 114155, 123872, 131614, 133280, 141610, 150416, 154840, 159817, 161840, 182648, 188020, 214880, 226576, 228310, 263228, 283220, 300832, 309680, 319634, 323680, 329035, 365296, 376040, 453152, 456620, 526456, 566440, 619360, 639268, 658070, 730592, 752080, 799085, 913240, 1052912, 1118719, 1132880, 1278536, 1316140, 1504160, 1598170, 1826480, 2105824, 2237438, 2265760, 2557072, 2632280, 3196340, 3652960, 4474876, 5114144, 5264560, 5593595, 6392680, 8949752, 10529120, 11187190, 12785360, 17899504, 22374380, 25570720, 35799008, 44748760, 89497520, 178995040]

約数ペア:

[(1, 178995040), (2, 89497520), (4, 44748760), (5, 35799008), (7, 25570720), (8, 22374380), (10, 17899504), (14, 12785360), (16, 11187190), (17, 10529120), (20, 8949752), (28, 6392680), (32, 5593595), (34, 5264560), (35, 5114144), (40, 4474876), (49, 3652960), (56, 3196340), (68, 2632280), (70, 2557072), (79, 2265760), (80, 2237438), (85, 2105824), (98, 1826480), (112, 1598170), (119, 1504160), (136, 1316140), (140, 1278536), (158, 1132880), (160, 1118719), (170, 1052912), (196, 913240), (224, 799085), (238, 752080), (245, 730592), (272, 658070), (280, 639268), (289, 619360), (316, 566440), (340, 526456), (392, 456620), (395, 453152), (476, 376040), (490, 365296), (544, 329035), (553, 323680), (560, 319634), (578, 309680), (595, 300832), (632, 283220), (680, 263228), (784, 228310), (790, 226576), (833, 214880), (952, 188020), (980, 182648), (1106, 161840), (1120, 159817), (1156, 154840), (1190, 150416), (1264, 141610), (1343, 133280), (1360, 131614), (1445, 123872), (1568, 114155), (1580, 113288), (1666, 107440), (1904, 94010), (1960, 91324), (2023, 88480), (2212, 80920), (2312, 77420), (2380, 75208), (2528, 70805), (2686, 66640), (2720, 65807), (2765, 64736), (2890, 61936), (3160, 56644), (3332, 53720), (3808, 47005), (3871, 46240), (3920, 45662), (4046, 44240), (4165, 42976), (4424, 40460), (4624, 38710), (4760, 37604), (5372, 33320), (5530, 32368), (5780, 30968), (6320, 28322), (6664, 26860), (6715, 26656), (7742, 23120), (7840, 22831), (8092, 22120), (8330, 21488), (8848, 20230), (9248, 19355), (9401, 19040), (9520, 18802), (10115, 17696), (10744, 16660), (11060, 16184), (11560, 15484), (12640, 14161), (13328, 13430)]