18289440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1011

約数の個数: 144

約数和(自身を含む): 67282488

約数和(自身を除く): 48993048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 977, 1040, 1170, 1248, 1440, 1560, 1872, 1954, 2080, 2340, 2931, 3120, 3744, 3908, 4680, 4885, 5862, 6240, 7816, 8793, 9360, 9770, 11724, 12701, 14655, 15632, 17586, 18720, 19540, 23448, 25402, 29310, 31264, 35172, 38103, 39080, 43965, 46896, 50804, 58620, 63505, 70344, 76206, 78160, 87930, 93792, 101608, 114309, 117240, 127010, 140688, 152412, 156320, 175860, 190515, 203216, 228618, 234480, 254020, 281376, 304824, 351720, 381030, 406432, 457236, 468960, 508040, 571545, 609648, 703440, 762060, 914472, 1016080, 1143090, 1219296, 1406880, 1524120, 1828944, 2032160, 2286180, 3048240, 3657888, 4572360, 6096480, 9144720, 18289440]

約数ペア:

[(1, 18289440), (2, 9144720), (3, 6096480), (4, 4572360), (5, 3657888), (6, 3048240), (8, 2286180), (9, 2032160), (10, 1828944), (12, 1524120), (13, 1406880), (15, 1219296), (16, 1143090), (18, 1016080), (20, 914472), (24, 762060), (26, 703440), (30, 609648), (32, 571545), (36, 508040), (39, 468960), (40, 457236), (45, 406432), (48, 381030), (52, 351720), (60, 304824), (65, 281376), (72, 254020), (78, 234480), (80, 228618), (90, 203216), (96, 190515), (104, 175860), (117, 156320), (120, 152412), (130, 140688), (144, 127010), (156, 117240), (160, 114309), (180, 101608), (195, 93792), (208, 87930), (234, 78160), (240, 76206), (260, 70344), (288, 63505), (312, 58620), (360, 50804), (390, 46896), (416, 43965), (468, 39080), (480, 38103), (520, 35172), (585, 31264), (624, 29310), (720, 25402), (780, 23448), (936, 19540), (977, 18720), (1040, 17586), (1170, 15632), (1248, 14655), (1440, 12701), (1560, 11724), (1872, 9770), (1954, 9360), (2080, 8793), (2340, 7816), (2931, 6240), (3120, 5862), (3744, 4885), (3908, 4680)]