210861240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4021}}^1$

素因数の和:4077

約数の個数: 128

約数和(自身を含む): 695001600

約数和(自身を除く): 484140360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4021, 4370, 5244, 6555, 8042, 8740, 10488, 12063, 13110, 16084, 17480, 20105, 24126, 26220, 32168, 40210, 48252, 52440, 60315, 76399, 80420, 92483, 96504, 120630, 152798, 160840, 184966, 229197, 241260, 277449, 305596, 369932, 381995, 458394, 462415, 482520, 554898, 611192, 739864, 763990, 916788, 924830, 1109796, 1145985, 1387245, 1527980, 1757177, 1833576, 1849660, 2219592, 2291970, 2774490, 3055960, 3514354, 3699320, 4583940, 5271531, 5548980, 7028708, 8785885, 9167880, 10543062, 11097960, 14057416, 17571770, 21086124, 26357655, 35143540, 42172248, 52715310, 70287080, 105430620, 210861240]

約数ペア:

[(1, 210861240), (2, 105430620), (3, 70287080), (4, 52715310), (5, 42172248), (6, 35143540), (8, 26357655), (10, 21086124), (12, 17571770), (15, 14057416), (19, 11097960), (20, 10543062), (23, 9167880), (24, 8785885), (30, 7028708), (38, 5548980), (40, 5271531), (46, 4583940), (57, 3699320), (60, 3514354), (69, 3055960), (76, 2774490), (92, 2291970), (95, 2219592), (114, 1849660), (115, 1833576), (120, 1757177), (138, 1527980), (152, 1387245), (184, 1145985), (190, 1109796), (228, 924830), (230, 916788), (276, 763990), (285, 739864), (345, 611192), (380, 554898), (437, 482520), (456, 462415), (460, 458394), (552, 381995), (570, 369932), (690, 305596), (760, 277449), (874, 241260), (920, 229197), (1140, 184966), (1311, 160840), (1380, 152798), (1748, 120630), (2185, 96504), (2280, 92483), (2622, 80420), (2760, 76399), (3496, 60315), (4021, 52440), (4370, 48252), (5244, 40210), (6555, 32168), (8042, 26220), (8740, 24126), (10488, 20105), (12063, 17480), (13110, 16084)]