15920851040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1157

約数の個数: 192

約数和(自身を含む): 40317419520

約数和(自身を除く): 24396568480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 79, 80, 82, 124, 155, 158, 160, 164, 205, 248, 310, 316, 328, 395, 410, 496, 620, 632, 656, 790, 820, 991, 992, 1240, 1264, 1271, 1312, 1580, 1640, 1982, 2449, 2480, 2528, 2542, 3160, 3239, 3280, 3964, 4898, 4955, 4960, 5084, 6320, 6355, 6478, 6560, 7928, 9796, 9910, 10168, 12245, 12640, 12710, 12956, 15856, 16195, 19592, 19820, 20336, 24490, 25420, 25912, 30721, 31712, 32390, 39184, 39640, 40631, 40672, 48980, 50840, 51824, 61442, 64780, 78289, 78368, 79280, 81262, 97960, 100409, 101680, 103648, 122884, 129560, 153605, 156578, 158560, 162524, 195920, 200818, 203155, 203360, 245768, 259120, 307210, 313156, 325048, 391445, 391840, 401636, 406310, 491536, 502045, 518240, 614420, 626312, 650096, 782890, 803272, 812620, 983072, 1004090, 1228840, 1252624, 1259561, 1300192, 1565780, 1606544, 1625240, 2008180, 2426959, 2457680, 2505248, 2519122, 3131560, 3209849, 3213088, 3250480, 4016360, 4853918, 4915360, 5038244, 6263120, 6297805, 6419698, 6500960, 8032720, 9707836, 10076488, 12134795, 12526240, 12595610, 12839396, 16049245, 16065440, 19415672, 20152976, 24269590, 25191220, 25678792, 32098490, 38831344, 40305952, 48539180, 50382440, 51357584, 64196980, 77662688, 97078360, 99505319, 100764880, 102715168, 128393960, 194156720, 199010638, 201529760, 256787920, 388313440, 398021276, 497526595, 513575840, 796042552, 995053190, 1592085104, 1990106380, 3184170208, 3980212760, 7960425520, 15920851040]

約数ペア:

[(1, 15920851040), (2, 7960425520), (4, 3980212760), (5, 3184170208), (8, 1990106380), (10, 1592085104), (16, 995053190), (20, 796042552), (31, 513575840), (32, 497526595), (40, 398021276), (41, 388313440), (62, 256787920), (79, 201529760), (80, 199010638), (82, 194156720), (124, 128393960), (155, 102715168), (158, 100764880), (160, 99505319), (164, 97078360), (205, 77662688), (248, 64196980), (310, 51357584), (316, 50382440), (328, 48539180), (395, 40305952), (410, 38831344), (496, 32098490), (620, 25678792), (632, 25191220), (656, 24269590), (790, 20152976), (820, 19415672), (991, 16065440), (992, 16049245), (1240, 12839396), (1264, 12595610), (1271, 12526240), (1312, 12134795), (1580, 10076488), (1640, 9707836), (1982, 8032720), (2449, 6500960), (2480, 6419698), (2528, 6297805), (2542, 6263120), (3160, 5038244), (3239, 4915360), (3280, 4853918), (3964, 4016360), (4898, 3250480), (4955, 3213088), (4960, 3209849), (5084, 3131560), (6320, 2519122), (6355, 2505248), (6478, 2457680), (6560, 2426959), (7928, 2008180), (9796, 1625240), (9910, 1606544), (10168, 1565780), (12245, 1300192), (12640, 1259561), (12710, 1252624), (12956, 1228840), (15856, 1004090), (16195, 983072), (19592, 812620), (19820, 803272), (20336, 782890), (24490, 650096), (25420, 626312), (25912, 614420), (30721, 518240), (31712, 502045), (32390, 491536), (39184, 406310), (39640, 401636), (40631, 391840), (40672, 391445), (48980, 325048), (50840, 313156), (51824, 307210), (61442, 259120), (64780, 245768), (78289, 203360), (78368, 203155), (79280, 200818), (81262, 195920), (97960, 162524), (100409, 158560), (101680, 156578), (103648, 153605), (122884, 129560)]