1381627840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 3604930560

約数和(自身を除く): 2223302720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 43, 62, 64, 79, 80, 82, 86, 124, 155, 158, 160, 164, 172, 205, 215, 248, 310, 316, 320, 328, 344, 395, 410, 430, 496, 620, 632, 656, 688, 790, 820, 860, 992, 1240, 1264, 1271, 1312, 1333, 1376, 1580, 1640, 1720, 1763, 1984, 2449, 2480, 2528, 2542, 2624, 2666, 2752, 3160, 3239, 3280, 3397, 3440, 3526, 4898, 4960, 5056, 5084, 5332, 6320, 6355, 6478, 6560, 6665, 6794, 6880, 7052, 8815, 9796, 9920, 10168, 10664, 12245, 12640, 12710, 12956, 13120, 13330, 13588, 13760, 14104, 16195, 16985, 17630, 19592, 20336, 21328, 24490, 25280, 25420, 25912, 26660, 27176, 28208, 32390, 33970, 35260, 39184, 40672, 42656, 48980, 50840, 51824, 53320, 54352, 54653, 56416, 64780, 67940, 70520, 78368, 81344, 85312, 97960, 100409, 101680, 103648, 105307, 106640, 108704, 109306, 112832, 129560, 135880, 139277, 141040, 156736, 195920, 200818, 203360, 207296, 210614, 213280, 217408, 218612, 259120, 271760, 273265, 278554, 282080, 391840, 401636, 406720, 421228, 426560, 437224, 502045, 518240, 526535, 543520, 546530, 557108, 564160, 696385, 783680, 803272, 842456, 874448, 1004090, 1036480, 1053070, 1087040, 1093060, 1114216, 1392770, 1606544, 1684912, 1748896, 2008180, 2106140, 2186120, 2228432, 2785540, 3213088, 3369824, 3497792, 4016360, 4212280, 4317587, 4372240, 4456864, 5571080, 6426176, 6739648, 8032720, 8424560, 8635174, 8744480, 8913728, 11142160, 16065440, 16849120, 17270348, 17488960, 21587935, 22284320, 32130880, 33698240, 34540696, 43175870, 44568640, 69081392, 86351740, 138162784, 172703480, 276325568, 345406960, 690813920, 1381627840]

約数ペア:

[(1, 1381627840), (2, 690813920), (4, 345406960), (5, 276325568), (8, 172703480), (10, 138162784), (16, 86351740), (20, 69081392), (31, 44568640), (32, 43175870), (40, 34540696), (41, 33698240), (43, 32130880), (62, 22284320), (64, 21587935), (79, 17488960), (80, 17270348), (82, 16849120), (86, 16065440), (124, 11142160), (155, 8913728), (158, 8744480), (160, 8635174), (164, 8424560), (172, 8032720), (205, 6739648), (215, 6426176), (248, 5571080), (310, 4456864), (316, 4372240), (320, 4317587), (328, 4212280), (344, 4016360), (395, 3497792), (410, 3369824), (430, 3213088), (496, 2785540), (620, 2228432), (632, 2186120), (656, 2106140), (688, 2008180), (790, 1748896), (820, 1684912), (860, 1606544), (992, 1392770), (1240, 1114216), (1264, 1093060), (1271, 1087040), (1312, 1053070), (1333, 1036480), (1376, 1004090), (1580, 874448), (1640, 842456), (1720, 803272), (1763, 783680), (1984, 696385), (2449, 564160), (2480, 557108), (2528, 546530), (2542, 543520), (2624, 526535), (2666, 518240), (2752, 502045), (3160, 437224), (3239, 426560), (3280, 421228), (3397, 406720), (3440, 401636), (3526, 391840), (4898, 282080), (4960, 278554), (5056, 273265), (5084, 271760), (5332, 259120), (6320, 218612), (6355, 217408), (6478, 213280), (6560, 210614), (6665, 207296), (6794, 203360), (6880, 200818), (7052, 195920), (8815, 156736), (9796, 141040), (9920, 139277), (10168, 135880), (10664, 129560), (12245, 112832), (12640, 109306), (12710, 108704), (12956, 106640), (13120, 105307), (13330, 103648), (13588, 101680), (13760, 100409), (14104, 97960), (16195, 85312), (16985, 81344), (17630, 78368), (19592, 70520), (20336, 67940), (21328, 64780), (24490, 56416), (25280, 54653), (25420, 54352), (25912, 53320), (26660, 51824), (27176, 50840), (28208, 48980), (32390, 42656), (33970, 40672), (35260, 39184)]