81889080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7533

約数の個数: 128

約数和(自身を含む): 302400000

約数和(自身を除く): 220510920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7499, 10920, 14998, 22497, 29996, 37495, 44994, 52493, 59992, 74990, 89988, 97487, 104986, 112485, 149980, 157479, 179976, 194974, 209972, 224970, 262465, 292461, 299960, 314958, 389948, 419944, 449940, 487435, 524930, 584922, 629916, 682409, 779896, 787395, 899880, 974870, 1049860, 1169844, 1259832, 1364818, 1462305, 1574790, 1949740, 2047227, 2099720, 2339688, 2729636, 2924610, 3149580, 3412045, 3899480, 4094454, 5459272, 5849220, 6299160, 6824090, 8188908, 10236135, 11698440, 13648180, 16377816, 20472270, 27296360, 40944540, 81889080]

約数ペア:

[(1, 81889080), (2, 40944540), (3, 27296360), (4, 20472270), (5, 16377816), (6, 13648180), (7, 11698440), (8, 10236135), (10, 8188908), (12, 6824090), (13, 6299160), (14, 5849220), (15, 5459272), (20, 4094454), (21, 3899480), (24, 3412045), (26, 3149580), (28, 2924610), (30, 2729636), (35, 2339688), (39, 2099720), (40, 2047227), (42, 1949740), (52, 1574790), (56, 1462305), (60, 1364818), (65, 1259832), (70, 1169844), (78, 1049860), (84, 974870), (91, 899880), (104, 787395), (105, 779896), (120, 682409), (130, 629916), (140, 584922), (156, 524930), (168, 487435), (182, 449940), (195, 419944), (210, 389948), (260, 314958), (273, 299960), (280, 292461), (312, 262465), (364, 224970), (390, 209972), (420, 194974), (455, 179976), (520, 157479), (546, 149980), (728, 112485), (780, 104986), (840, 97487), (910, 89988), (1092, 74990), (1365, 59992), (1560, 52493), (1820, 44994), (2184, 37495), (2730, 29996), (3640, 22497), (5460, 14998), (7499, 10920)]