31855460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 86026752

約数和(自身を除く): 54171292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 761, 805, 910, 1196, 1495, 1522, 1610, 1820, 2093, 2990, 3044, 3220, 3805, 4186, 5327, 5980, 7610, 8372, 9893, 10465, 10654, 15220, 17503, 19786, 20930, 21308, 26635, 35006, 39572, 41860, 49465, 53270, 69251, 70012, 87515, 98930, 106540, 122521, 138502, 175030, 197860, 227539, 245042, 277004, 346255, 350060, 455078, 490084, 612605, 692510, 910156, 1137695, 1225210, 1385020, 1592773, 2275390, 2450420, 3185546, 4550780, 6371092, 7963865, 15927730, 31855460]

約数ペア:

[(1, 31855460), (2, 15927730), (4, 7963865), (5, 6371092), (7, 4550780), (10, 3185546), (13, 2450420), (14, 2275390), (20, 1592773), (23, 1385020), (26, 1225210), (28, 1137695), (35, 910156), (46, 692510), (52, 612605), (65, 490084), (70, 455078), (91, 350060), (92, 346255), (115, 277004), (130, 245042), (140, 227539), (161, 197860), (182, 175030), (230, 138502), (260, 122521), (299, 106540), (322, 98930), (364, 87515), (455, 70012), (460, 69251), (598, 53270), (644, 49465), (761, 41860), (805, 39572), (910, 35006), (1196, 26635), (1495, 21308), (1522, 20930), (1610, 19786), (1820, 17503), (2093, 15220), (2990, 10654), (3044, 10465), (3220, 9893), (3805, 8372), (4186, 7610), (5327, 5980)]