72233980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 194793984

約数和(自身を除く): 122560004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 71, 86, 91, 130, 140, 142, 169, 172, 182, 215, 260, 284, 301, 338, 355, 364, 430, 455, 497, 559, 602, 676, 710, 845, 860, 910, 923, 994, 1118, 1183, 1204, 1420, 1505, 1690, 1820, 1846, 1988, 2236, 2366, 2485, 2795, 3010, 3053, 3380, 3692, 3913, 4615, 4732, 4970, 5590, 5915, 6020, 6106, 6461, 7267, 7826, 9230, 9940, 11180, 11830, 11999, 12212, 12922, 14534, 15265, 15652, 18460, 19565, 21371, 23660, 23998, 25844, 29068, 30530, 32305, 36335, 39130, 39689, 42742, 47996, 50869, 59995, 61060, 64610, 72670, 78260, 79378, 83993, 85484, 101738, 106855, 119990, 129220, 145340, 158756, 167986, 198445, 203476, 213710, 239980, 254345, 277823, 335972, 396890, 419965, 427420, 508690, 515957, 555646, 793780, 839930, 1017380, 1031914, 1111292, 1389115, 1679860, 2063828, 2579785, 2778230, 3611699, 5159570, 5556460, 7223398, 10319140, 14446796, 18058495, 36116990, 72233980]

約数ペア:

[(1, 72233980), (2, 36116990), (4, 18058495), (5, 14446796), (7, 10319140), (10, 7223398), (13, 5556460), (14, 5159570), (20, 3611699), (26, 2778230), (28, 2579785), (35, 2063828), (43, 1679860), (52, 1389115), (65, 1111292), (70, 1031914), (71, 1017380), (86, 839930), (91, 793780), (130, 555646), (140, 515957), (142, 508690), (169, 427420), (172, 419965), (182, 396890), (215, 335972), (260, 277823), (284, 254345), (301, 239980), (338, 213710), (355, 203476), (364, 198445), (430, 167986), (455, 158756), (497, 145340), (559, 129220), (602, 119990), (676, 106855), (710, 101738), (845, 85484), (860, 83993), (910, 79378), (923, 78260), (994, 72670), (1118, 64610), (1183, 61060), (1204, 59995), (1420, 50869), (1505, 47996), (1690, 42742), (1820, 39689), (1846, 39130), (1988, 36335), (2236, 32305), (2366, 30530), (2485, 29068), (2795, 25844), (3010, 23998), (3053, 23660), (3380, 21371), (3692, 19565), (3913, 18460), (4615, 15652), (4732, 15265), (4970, 14534), (5590, 12922), (5915, 12212), (6020, 11999), (6106, 11830), (6461, 11180), (7267, 9940), (7826, 9230)]