1218339720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260329}}^1$

素因数の和:260359

約数の個数: 96

約数和(自身を含む): 4264205400

約数和(自身を除く): 3045865680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 260329, 520658, 780987, 1041316, 1301645, 1561974, 2082632, 2342961, 2603290, 3123948, 3384277, 3904935, 4685922, 5206580, 6247896, 6768554, 7809870, 9371844, 10152831, 10413160, 11714805, 13537108, 15619740, 16921385, 18743688, 20305662, 23429610, 27074216, 30458493, 31239480, 33842770, 40611324, 46859220, 50764155, 60916986, 67685540, 81222648, 93718440, 101528310, 121833972, 135371080, 152292465, 203056620, 243667944, 304584930, 406113240, 609169860, 1218339720]

約数ペア:

[(1, 1218339720), (2, 609169860), (3, 406113240), (4, 304584930), (5, 243667944), (6, 203056620), (8, 152292465), (9, 135371080), (10, 121833972), (12, 101528310), (13, 93718440), (15, 81222648), (18, 67685540), (20, 60916986), (24, 50764155), (26, 46859220), (30, 40611324), (36, 33842770), (39, 31239480), (40, 30458493), (45, 27074216), (52, 23429610), (60, 20305662), (65, 18743688), (72, 16921385), (78, 15619740), (90, 13537108), (104, 11714805), (117, 10413160), (120, 10152831), (130, 9371844), (156, 7809870), (180, 6768554), (195, 6247896), (234, 5206580), (260, 4685922), (312, 3904935), (360, 3384277), (390, 3123948), (468, 2603290), (520, 2342961), (585, 2082632), (780, 1561974), (936, 1301645), (1170, 1041316), (1560, 780987), (2340, 520658), (4680, 260329)]