1855703680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 4809830400

約数和(自身を除く): 2954126720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 79, 80, 85, 127, 128, 136, 158, 160, 170, 254, 272, 289, 316, 320, 340, 395, 508, 544, 578, 632, 635, 640, 680, 790, 1016, 1088, 1156, 1264, 1270, 1343, 1360, 1445, 1580, 2032, 2159, 2176, 2312, 2528, 2540, 2686, 2720, 2890, 3160, 4064, 4318, 4624, 5056, 5080, 5372, 5440, 5780, 6320, 6715, 8128, 8636, 9248, 10033, 10112, 10160, 10744, 10795, 10880, 11560, 12640, 13430, 16256, 17272, 18496, 20066, 20320, 21488, 21590, 22831, 23120, 25280, 26860, 34544, 36703, 36992, 40132, 40640, 42976, 43180, 45662, 46240, 50165, 50560, 53720, 69088, 73406, 80264, 81280, 85952, 86360, 91324, 92480, 100330, 107440, 114155, 138176, 146812, 160528, 170561, 171904, 172720, 182648, 183515, 184960, 200660, 214880, 228310, 276352, 293624, 321056, 341122, 345440, 365296, 367030, 401320, 429760, 456620, 587248, 642112, 682244, 690880, 730592, 734060, 802640, 852805, 859520, 913240, 1174496, 1284224, 1364488, 1381760, 1461184, 1468120, 1605280, 1705610, 1826480, 2348992, 2728976, 2899537, 2922368, 2936240, 3210560, 3411220, 3652960, 4697984, 5457952, 5799074, 5872480, 6421120, 6822440, 7305920, 10915904, 11598148, 11744960, 13644880, 14497685, 14611840, 21831808, 23196296, 23489920, 27289760, 28995370, 46392592, 54579520, 57990740, 92785184, 109159040, 115981480, 185570368, 231962960, 371140736, 463925920, 927851840, 1855703680]

約数ペア:

[(1, 1855703680), (2, 927851840), (4, 463925920), (5, 371140736), (8, 231962960), (10, 185570368), (16, 115981480), (17, 109159040), (20, 92785184), (32, 57990740), (34, 54579520), (40, 46392592), (64, 28995370), (68, 27289760), (79, 23489920), (80, 23196296), (85, 21831808), (127, 14611840), (128, 14497685), (136, 13644880), (158, 11744960), (160, 11598148), (170, 10915904), (254, 7305920), (272, 6822440), (289, 6421120), (316, 5872480), (320, 5799074), (340, 5457952), (395, 4697984), (508, 3652960), (544, 3411220), (578, 3210560), (632, 2936240), (635, 2922368), (640, 2899537), (680, 2728976), (790, 2348992), (1016, 1826480), (1088, 1705610), (1156, 1605280), (1264, 1468120), (1270, 1461184), (1343, 1381760), (1360, 1364488), (1445, 1284224), (1580, 1174496), (2032, 913240), (2159, 859520), (2176, 852805), (2312, 802640), (2528, 734060), (2540, 730592), (2686, 690880), (2720, 682244), (2890, 642112), (3160, 587248), (4064, 456620), (4318, 429760), (4624, 401320), (5056, 367030), (5080, 365296), (5372, 345440), (5440, 341122), (5780, 321056), (6320, 293624), (6715, 276352), (8128, 228310), (8636, 214880), (9248, 200660), (10033, 184960), (10112, 183515), (10160, 182648), (10744, 172720), (10795, 171904), (10880, 170561), (11560, 160528), (12640, 146812), (13430, 138176), (16256, 114155), (17272, 107440), (18496, 100330), (20066, 92480), (20320, 91324), (21488, 86360), (21590, 85952), (22831, 81280), (23120, 80264), (25280, 73406), (26860, 69088), (34544, 53720), (36703, 50560), (36992, 50165), (40132, 46240), (40640, 45662), (42976, 43180)]