71209320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6521}}^1$

素因数の和:6555

約数の個数: 128

約数和(自身を含む): 262967040

約数和(自身を除く): 191757720

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, 6521, 10920, 13042, 19563, 26084, 32605, 39126, 45647, 52168, 65210, 78252, 84773, 91294, 97815, 130420, 136941, 156504, 169546, 182588, 195630, 228235, 254319, 260840, 273882, 339092, 365176, 391260, 423865, 456470, 508638, 547764, 593411, 678184, 684705, 782520, 847730, 912940, 1017276, 1095528, 1186822, 1271595, 1369410, 1695460, 1780233, 1825880, 2034552, 2373644, 2543190, 2738820, 2967055, 3390920, 3560466, 4747288, 5086380, 5477640, 5934110, 7120932, 8901165, 10172760, 11868220, 14241864, 17802330, 23736440, 35604660, 71209320]

約数ペア:

[(1, 71209320), (2, 35604660), (3, 23736440), (4, 17802330), (5, 14241864), (6, 11868220), (7, 10172760), (8, 8901165), (10, 7120932), (12, 5934110), (13, 5477640), (14, 5086380), (15, 4747288), (20, 3560466), (21, 3390920), (24, 2967055), (26, 2738820), (28, 2543190), (30, 2373644), (35, 2034552), (39, 1825880), (40, 1780233), (42, 1695460), (52, 1369410), (56, 1271595), (60, 1186822), (65, 1095528), (70, 1017276), (78, 912940), (84, 847730), (91, 782520), (104, 684705), (105, 678184), (120, 593411), (130, 547764), (140, 508638), (156, 456470), (168, 423865), (182, 391260), (195, 365176), (210, 339092), (260, 273882), (273, 260840), (280, 254319), (312, 228235), (364, 195630), (390, 182588), (420, 169546), (455, 156504), (520, 136941), (546, 130420), (728, 97815), (780, 91294), (840, 84773), (910, 78252), (1092, 65210), (1365, 52168), (1560, 45647), (1820, 39126), (2184, 32605), (2730, 26084), (3640, 19563), (5460, 13042), (6521, 10920)]