306999720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5029

約数の個数: 160

約数和(自身を含む): 1086386400

約数和(自身を除く): 779386680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 4987, 5130, 6156, 6840, 7695, 9974, 10260, 12312, 14961, 15390, 19948, 20520, 24935, 29922, 30780, 39896, 44883, 49870, 59844, 61560, 74805, 89766, 94753, 99740, 119688, 134649, 149610, 179532, 189506, 199480, 224415, 269298, 284259, 299220, 359064, 379012, 403947, 448830, 473765, 538596, 568518, 598440, 673245, 758024, 807894, 852777, 897660, 947530, 1077192, 1137036, 1346490, 1421295, 1615788, 1705554, 1795320, 1895060, 2019735, 2274072, 2558331, 2692980, 2842590, 3231576, 3411108, 3790120, 4039470, 4263885, 5116662, 5385960, 5685180, 6822216, 7674993, 8078940, 8527770, 10233324, 11370360, 12791655, 15349986, 16157880, 17055540, 20466648, 25583310, 30699972, 34111080, 38374965, 51166620, 61399944, 76749930, 102333240, 153499860, 306999720]

約数ペア:

[(1, 306999720), (2, 153499860), (3, 102333240), (4, 76749930), (5, 61399944), (6, 51166620), (8, 38374965), (9, 34111080), (10, 30699972), (12, 25583310), (15, 20466648), (18, 17055540), (19, 16157880), (20, 15349986), (24, 12791655), (27, 11370360), (30, 10233324), (36, 8527770), (38, 8078940), (40, 7674993), (45, 6822216), (54, 5685180), (57, 5385960), (60, 5116662), (72, 4263885), (76, 4039470), (81, 3790120), (90, 3411108), (95, 3231576), (108, 2842590), (114, 2692980), (120, 2558331), (135, 2274072), (152, 2019735), (162, 1895060), (171, 1795320), (180, 1705554), (190, 1615788), (216, 1421295), (228, 1346490), (270, 1137036), (285, 1077192), (324, 947530), (342, 897660), (360, 852777), (380, 807894), (405, 758024), (456, 673245), (513, 598440), (540, 568518), (570, 538596), (648, 473765), (684, 448830), (760, 403947), (810, 379012), (855, 359064), (1026, 299220), (1080, 284259), (1140, 269298), (1368, 224415), (1539, 199480), (1620, 189506), (1710, 179532), (2052, 149610), (2280, 134649), (2565, 119688), (3078, 99740), (3240, 94753), (3420, 89766), (4104, 74805), (4987, 61560), (5130, 59844), (6156, 49870), (6840, 44883), (7695, 39896), (9974, 30780), (10260, 29922), (12312, 24935), (14961, 20520), (15390, 19948)]