71382780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 249622464

約数和(自身を除く): 178239684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 313, 315, 362, 420, 543, 626, 630, 724, 905, 939, 1086, 1252, 1260, 1267, 1565, 1629, 1810, 1878, 2172, 2191, 2534, 2715, 2817, 3130, 3258, 3620, 3756, 3801, 4382, 4695, 5068, 5430, 5634, 6260, 6335, 6516, 6573, 7602, 8145, 8764, 9390, 10860, 10955, 11268, 11403, 12670, 13146, 14085, 15204, 16290, 18780, 19005, 19719, 21910, 22806, 25340, 26292, 28170, 32580, 32865, 38010, 39438, 43820, 45612, 56340, 56653, 57015, 65730, 76020, 78876, 98595, 113306, 114030, 131460, 169959, 197190, 226612, 228060, 283265, 339918, 394380, 396571, 509877, 566530, 679836, 793142, 849795, 1019754, 1133060, 1189713, 1586284, 1699590, 1982855, 2039508, 2379426, 2549385, 3399180, 3569139, 3965710, 4758852, 5098770, 5948565, 7138278, 7931420, 10197540, 11897130, 14276556, 17845695, 23794260, 35691390, 71382780]

約数ペア:

[(1, 71382780), (2, 35691390), (3, 23794260), (4, 17845695), (5, 14276556), (6, 11897130), (7, 10197540), (9, 7931420), (10, 7138278), (12, 5948565), (14, 5098770), (15, 4758852), (18, 3965710), (20, 3569139), (21, 3399180), (28, 2549385), (30, 2379426), (35, 2039508), (36, 1982855), (42, 1699590), (45, 1586284), (60, 1189713), (63, 1133060), (70, 1019754), (84, 849795), (90, 793142), (105, 679836), (126, 566530), (140, 509877), (180, 396571), (181, 394380), (210, 339918), (252, 283265), (313, 228060), (315, 226612), (362, 197190), (420, 169959), (543, 131460), (626, 114030), (630, 113306), (724, 98595), (905, 78876), (939, 76020), (1086, 65730), (1252, 57015), (1260, 56653), (1267, 56340), (1565, 45612), (1629, 43820), (1810, 39438), (1878, 38010), (2172, 32865), (2191, 32580), (2534, 28170), (2715, 26292), (2817, 25340), (3130, 22806), (3258, 21910), (3620, 19719), (3756, 19005), (3801, 18780), (4382, 16290), (4695, 15204), (5068, 14085), (5430, 13146), (5634, 12670), (6260, 11403), (6335, 11268), (6516, 10955), (6573, 10860), (7602, 9390), (8145, 8764)]