40669920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 144

約数和(自身を含む): 141365952

約数和(自身を除く): 100696032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 463, 480, 488, 549, 610, 720, 732, 915, 926, 976, 1098, 1220, 1389, 1440, 1464, 1830, 1852, 1952, 2196, 2315, 2440, 2745, 2778, 2928, 3660, 3704, 4167, 4392, 4630, 4880, 5490, 5556, 5856, 6945, 7320, 7408, 8334, 8784, 9260, 9760, 10980, 11112, 13890, 14640, 14816, 16668, 17568, 18520, 20835, 21960, 22224, 27780, 28243, 29280, 33336, 37040, 41670, 43920, 44448, 55560, 56486, 66672, 74080, 83340, 84729, 87840, 111120, 112972, 133344, 141215, 166680, 169458, 222240, 225944, 254187, 282430, 333360, 338916, 423645, 451888, 508374, 564860, 666720, 677832, 847290, 903776, 1016748, 1129720, 1270935, 1355664, 1694580, 2033496, 2259440, 2541870, 2711328, 3389160, 4066992, 4518880, 5083740, 6778320, 8133984, 10167480, 13556640, 20334960, 40669920]

約数ペア:

[(1, 40669920), (2, 20334960), (3, 13556640), (4, 10167480), (5, 8133984), (6, 6778320), (8, 5083740), (9, 4518880), (10, 4066992), (12, 3389160), (15, 2711328), (16, 2541870), (18, 2259440), (20, 2033496), (24, 1694580), (30, 1355664), (32, 1270935), (36, 1129720), (40, 1016748), (45, 903776), (48, 847290), (60, 677832), (61, 666720), (72, 564860), (80, 508374), (90, 451888), (96, 423645), (120, 338916), (122, 333360), (144, 282430), (160, 254187), (180, 225944), (183, 222240), (240, 169458), (244, 166680), (288, 141215), (305, 133344), (360, 112972), (366, 111120), (463, 87840), (480, 84729), (488, 83340), (549, 74080), (610, 66672), (720, 56486), (732, 55560), (915, 44448), (926, 43920), (976, 41670), (1098, 37040), (1220, 33336), (1389, 29280), (1440, 28243), (1464, 27780), (1830, 22224), (1852, 21960), (1952, 20835), (2196, 18520), (2315, 17568), (2440, 16668), (2745, 14816), (2778, 14640), (2928, 13890), (3660, 11112), (3704, 10980), (4167, 9760), (4392, 9260), (4630, 8784), (4880, 8334), (5490, 7408), (5556, 7320), (5856, 6945)]