8858220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 30336768

約数和(自身を除く): 21478548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 131, 138, 140, 147, 161, 196, 210, 230, 245, 262, 276, 294, 322, 345, 393, 420, 460, 483, 490, 524, 588, 644, 655, 690, 735, 786, 805, 917, 966, 980, 1127, 1310, 1380, 1470, 1572, 1610, 1834, 1932, 1965, 2254, 2415, 2620, 2751, 2940, 3013, 3220, 3381, 3668, 3930, 4508, 4585, 4830, 5502, 5635, 6026, 6419, 6762, 7860, 9039, 9170, 9660, 11004, 11270, 12052, 12838, 13524, 13755, 15065, 16905, 18078, 18340, 19257, 21091, 22540, 25676, 27510, 30130, 32095, 33810, 36156, 38514, 42182, 45195, 55020, 60260, 63273, 64190, 67620, 77028, 84364, 90390, 96285, 105455, 126546, 128380, 147637, 180780, 192570, 210910, 253092, 295274, 316365, 385140, 421820, 442911, 590548, 632730, 738185, 885822, 1265460, 1476370, 1771644, 2214555, 2952740, 4429110, 8858220]

約数ペア:

[(1, 8858220), (2, 4429110), (3, 2952740), (4, 2214555), (5, 1771644), (6, 1476370), (7, 1265460), (10, 885822), (12, 738185), (14, 632730), (15, 590548), (20, 442911), (21, 421820), (23, 385140), (28, 316365), (30, 295274), (35, 253092), (42, 210910), (46, 192570), (49, 180780), (60, 147637), (69, 128380), (70, 126546), (84, 105455), (92, 96285), (98, 90390), (105, 84364), (115, 77028), (131, 67620), (138, 64190), (140, 63273), (147, 60260), (161, 55020), (196, 45195), (210, 42182), (230, 38514), (245, 36156), (262, 33810), (276, 32095), (294, 30130), (322, 27510), (345, 25676), (393, 22540), (420, 21091), (460, 19257), (483, 18340), (490, 18078), (524, 16905), (588, 15065), (644, 13755), (655, 13524), (690, 12838), (735, 12052), (786, 11270), (805, 11004), (917, 9660), (966, 9170), (980, 9039), (1127, 7860), (1310, 6762), (1380, 6419), (1470, 6026), (1572, 5635), (1610, 5502), (1834, 4830), (1932, 4585), (1965, 4508), (2254, 3930), (2415, 3668), (2620, 3381), (2751, 3220), (2940, 3013)]