138778320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 463970304

約数和(自身を除く): 325191984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 811, 920, 930, 1104, 1240, 1380, 1426, 1488, 1622, 1840, 1860, 2139, 2433, 2480, 2760, 2852, 3244, 3565, 3720, 4055, 4278, 4866, 5520, 5704, 6488, 7130, 7440, 8110, 8556, 9732, 10695, 11408, 12165, 12976, 14260, 16220, 17112, 18653, 19464, 21390, 24330, 25141, 28520, 32440, 34224, 37306, 38928, 42780, 48660, 50282, 55959, 57040, 64880, 74612, 75423, 85560, 93265, 97320, 100564, 111918, 125705, 149224, 150846, 171120, 186530, 194640, 201128, 223836, 251410, 279795, 298448, 301692, 373060, 377115, 402256, 447672, 502820, 559590, 578243, 603384, 746120, 754230, 895344, 1005640, 1119180, 1156486, 1206768, 1492240, 1508460, 1734729, 2011280, 2238360, 2312972, 2891215, 3016920, 3469458, 4476720, 4625944, 5782430, 6033840, 6938916, 8673645, 9251888, 11564860, 13877832, 17347290, 23129720, 27755664, 34694580, 46259440, 69389160, 138778320]

約数ペア:

[(1, 138778320), (2, 69389160), (3, 46259440), (4, 34694580), (5, 27755664), (6, 23129720), (8, 17347290), (10, 13877832), (12, 11564860), (15, 9251888), (16, 8673645), (20, 6938916), (23, 6033840), (24, 5782430), (30, 4625944), (31, 4476720), (40, 3469458), (46, 3016920), (48, 2891215), (60, 2312972), (62, 2238360), (69, 2011280), (80, 1734729), (92, 1508460), (93, 1492240), (115, 1206768), (120, 1156486), (124, 1119180), (138, 1005640), (155, 895344), (184, 754230), (186, 746120), (230, 603384), (240, 578243), (248, 559590), (276, 502820), (310, 447672), (345, 402256), (368, 377115), (372, 373060), (460, 301692), (465, 298448), (496, 279795), (552, 251410), (620, 223836), (690, 201128), (713, 194640), (744, 186530), (811, 171120), (920, 150846), (930, 149224), (1104, 125705), (1240, 111918), (1380, 100564), (1426, 97320), (1488, 93265), (1622, 85560), (1840, 75423), (1860, 74612), (2139, 64880), (2433, 57040), (2480, 55959), (2760, 50282), (2852, 48660), (3244, 42780), (3565, 38928), (3720, 37306), (4055, 34224), (4278, 32440), (4866, 28520), (5520, 25141), (5704, 24330), (6488, 21390), (7130, 19464), (7440, 18653), (8110, 17112), (8556, 16220), (9732, 14260), (10695, 12976), (11408, 12165)]