1788391040

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 4376877120

約数和(自身を除く): 2588486080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 131, 160, 166, 257, 262, 320, 332, 415, 514, 524, 640, 655, 664, 830, 1028, 1048, 1285, 1310, 1328, 1660, 2056, 2096, 2570, 2620, 2656, 3320, 4112, 4192, 5140, 5240, 5312, 6640, 8224, 8384, 10280, 10480, 10624, 10873, 13280, 16448, 16768, 20560, 20960, 21331, 21746, 26560, 32896, 33667, 41120, 41920, 42662, 43492, 53120, 54365, 67334, 82240, 83840, 85324, 86984, 106655, 108730, 134668, 164480, 168335, 170648, 173968, 213310, 217460, 269336, 336670, 341296, 347936, 426620, 434920, 538672, 673340, 682592, 695872, 853240, 869840, 1077344, 1346680, 1365184, 1391744, 1706480, 1739680, 2154688, 2693360, 2730368, 2794361, 3412960, 3479360, 4309376, 5386720, 5588722, 6825920, 6958720, 10773440, 11177444, 13651840, 13971805, 21546880, 22354888, 27943610, 44709776, 55887220, 89419552, 111774440, 178839104, 223548880, 357678208, 447097760, 894195520, 1788391040]

約数ペア:

[(1, 1788391040), (2, 894195520), (4, 447097760), (5, 357678208), (8, 223548880), (10, 178839104), (16, 111774440), (20, 89419552), (32, 55887220), (40, 44709776), (64, 27943610), (80, 22354888), (83, 21546880), (128, 13971805), (131, 13651840), (160, 11177444), (166, 10773440), (257, 6958720), (262, 6825920), (320, 5588722), (332, 5386720), (415, 4309376), (514, 3479360), (524, 3412960), (640, 2794361), (655, 2730368), (664, 2693360), (830, 2154688), (1028, 1739680), (1048, 1706480), (1285, 1391744), (1310, 1365184), (1328, 1346680), (1660, 1077344), (2056, 869840), (2096, 853240), (2570, 695872), (2620, 682592), (2656, 673340), (3320, 538672), (4112, 434920), (4192, 426620), (5140, 347936), (5240, 341296), (5312, 336670), (6640, 269336), (8224, 217460), (8384, 213310), (10280, 173968), (10480, 170648), (10624, 168335), (10873, 164480), (13280, 134668), (16448, 108730), (16768, 106655), (20560, 86984), (20960, 85324), (21331, 83840), (21746, 82240), (26560, 67334), (32896, 54365), (33667, 53120), (41120, 43492), (41920, 42662)]