72021040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:807

約数の個数: 120

約数和(自身を含む): 207495648

約数和(自身を除く): 135474608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 761, 845, 910, 1040, 1183, 1352, 1456, 1522, 1690, 1820, 2366, 2704, 3044, 3380, 3640, 3805, 4732, 5327, 5915, 6088, 6760, 7280, 7610, 9464, 9893, 10654, 11830, 12176, 13520, 15220, 18928, 19786, 21308, 23660, 26635, 30440, 39572, 42616, 47320, 49465, 53270, 60880, 69251, 79144, 85232, 94640, 98930, 106540, 128609, 138502, 158288, 197860, 213080, 257218, 277004, 346255, 395720, 426160, 514436, 554008, 643045, 692510, 791440, 900263, 1028872, 1108016, 1286090, 1385020, 1800526, 2057744, 2572180, 2770040, 3601052, 4501315, 5144360, 5540080, 7202104, 9002630, 10288720, 14404208, 18005260, 36010520, 72021040]

約数ペア:

[(1, 72021040), (2, 36010520), (4, 18005260), (5, 14404208), (7, 10288720), (8, 9002630), (10, 7202104), (13, 5540080), (14, 5144360), (16, 4501315), (20, 3601052), (26, 2770040), (28, 2572180), (35, 2057744), (40, 1800526), (52, 1385020), (56, 1286090), (65, 1108016), (70, 1028872), (80, 900263), (91, 791440), (104, 692510), (112, 643045), (130, 554008), (140, 514436), (169, 426160), (182, 395720), (208, 346255), (260, 277004), (280, 257218), (338, 213080), (364, 197860), (455, 158288), (520, 138502), (560, 128609), (676, 106540), (728, 98930), (761, 94640), (845, 85232), (910, 79144), (1040, 69251), (1183, 60880), (1352, 53270), (1456, 49465), (1522, 47320), (1690, 42616), (1820, 39572), (2366, 30440), (2704, 26635), (3044, 23660), (3380, 21308), (3640, 19786), (3805, 18928), (4732, 15220), (5327, 13520), (5915, 12176), (6088, 11830), (6760, 10654), (7280, 9893), (7610, 9464)]