620025420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6803}}^1$

素因数の和:6860

約数の個数: 144

約数和(自身を含む): 2084963328

約数和(自身を除く): 1464937908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 6803, 7595, 9114, 13020, 13606, 15190, 18228, 20409, 22785, 27212, 30380, 34015, 40818, 45570, 47621, 68030, 81636, 91140, 95242, 102045, 136060, 142863, 190484, 204090, 210893, 238105, 285726, 333347, 408180, 421786, 476210, 571452, 632679, 666694, 714315, 843572, 952420, 1000041, 1054465, 1265358, 1333388, 1428630, 1476251, 1666735, 2000082, 2108930, 2530716, 2857260, 2952502, 3163395, 3333470, 4000164, 4217860, 4428753, 5000205, 5905004, 6326790, 6666940, 7381255, 8857506, 10000410, 10333757, 12653580, 14762510, 17715012, 20000820, 20667514, 22143765, 29525020, 31001271, 41335028, 44287530, 51668785, 62002542, 88575060, 103337570, 124005084, 155006355, 206675140, 310012710, 620025420]

約数ペア:

[(1, 620025420), (2, 310012710), (3, 206675140), (4, 155006355), (5, 124005084), (6, 103337570), (7, 88575060), (10, 62002542), (12, 51668785), (14, 44287530), (15, 41335028), (20, 31001271), (21, 29525020), (28, 22143765), (30, 20667514), (31, 20000820), (35, 17715012), (42, 14762510), (49, 12653580), (60, 10333757), (62, 10000410), (70, 8857506), (84, 7381255), (93, 6666940), (98, 6326790), (105, 5905004), (124, 5000205), (140, 4428753), (147, 4217860), (155, 4000164), (186, 3333470), (196, 3163395), (210, 2952502), (217, 2857260), (245, 2530716), (294, 2108930), (310, 2000082), (372, 1666735), (420, 1476251), (434, 1428630), (465, 1333388), (490, 1265358), (588, 1054465), (620, 1000041), (651, 952420), (735, 843572), (868, 714315), (930, 666694), (980, 632679), (1085, 571452), (1302, 476210), (1470, 421786), (1519, 408180), (1860, 333347), (2170, 285726), (2604, 238105), (2940, 210893), (3038, 204090), (3255, 190484), (4340, 142863), (4557, 136060), (6076, 102045), (6510, 95242), (6803, 91140), (7595, 81636), (9114, 68030), (13020, 47621), (13606, 45570), (15190, 40818), (18228, 34015), (20409, 30380), (22785, 27212)]