405730920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6803}}^1$

素因数の和:6895

約数の個数: 128

約数和(自身を含む): 1410877440

約数和(自身を除く): 1005146520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 6803, 7455, 8520, 9940, 11928, 13606, 14910, 19880, 20409, 27212, 29820, 34015, 40818, 47621, 54424, 59640, 68030, 81636, 95242, 102045, 136060, 142863, 163272, 190484, 204090, 238105, 272120, 285726, 380968, 408180, 476210, 483013, 571452, 714315, 816360, 952420, 966026, 1142904, 1428630, 1449039, 1904840, 1932052, 2415065, 2857260, 2898078, 3381091, 3864104, 4830130, 5714520, 5796156, 6762182, 7245195, 9660260, 10143273, 11592312, 13524364, 14490390, 16905455, 19320520, 20286546, 27048728, 28980780, 33810910, 40573092, 50716365, 57961560, 67621820, 81146184, 101432730, 135243640, 202865460, 405730920]

約数ペア:

[(1, 405730920), (2, 202865460), (3, 135243640), (4, 101432730), (5, 81146184), (6, 67621820), (7, 57961560), (8, 50716365), (10, 40573092), (12, 33810910), (14, 28980780), (15, 27048728), (20, 20286546), (21, 19320520), (24, 16905455), (28, 14490390), (30, 13524364), (35, 11592312), (40, 10143273), (42, 9660260), (56, 7245195), (60, 6762182), (70, 5796156), (71, 5714520), (84, 4830130), (105, 3864104), (120, 3381091), (140, 2898078), (142, 2857260), (168, 2415065), (210, 1932052), (213, 1904840), (280, 1449039), (284, 1428630), (355, 1142904), (420, 966026), (426, 952420), (497, 816360), (568, 714315), (710, 571452), (840, 483013), (852, 476210), (994, 408180), (1065, 380968), (1420, 285726), (1491, 272120), (1704, 238105), (1988, 204090), (2130, 190484), (2485, 163272), (2840, 142863), (2982, 136060), (3976, 102045), (4260, 95242), (4970, 81636), (5964, 68030), (6803, 59640), (7455, 54424), (8520, 47621), (9940, 40818), (11928, 34015), (13606, 29820), (14910, 27212), (19880, 20409)]