218872710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1659

約数の個数: 144

約数和(自身を含む): 683759232

約数和(自身を除く): 464886522

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 434, 441, 465, 490, 558, 630, 651, 735, 882, 930, 1085, 1302, 1395, 1470, 1519, 1601, 1953, 2170, 2205, 2790, 3038, 3202, 3255, 3906, 4410, 4557, 4803, 6510, 7595, 8005, 9114, 9606, 9765, 11207, 13671, 14409, 15190, 16010, 19530, 22414, 22785, 24015, 27342, 28818, 33621, 45570, 48030, 49631, 56035, 67242, 68355, 72045, 78449, 99262, 100863, 112070, 136710, 144090, 148893, 156898, 168105, 201726, 235347, 248155, 297786, 336210, 347417, 392245, 446679, 470694, 496310, 504315, 694834, 706041, 744465, 784490, 893358, 1008630, 1042251, 1176735, 1412082, 1488930, 1737085, 2084502, 2233395, 2353470, 2431919, 3126753, 3474170, 3530205, 4466790, 4863838, 5211255, 6253506, 7060410, 7295757, 10422510, 12159595, 14591514, 15633765, 21887271, 24319190, 31267530, 36478785, 43774542, 72957570, 109436355, 218872710]

約数ペア:

[(1, 218872710), (2, 109436355), (3, 72957570), (5, 43774542), (6, 36478785), (7, 31267530), (9, 24319190), (10, 21887271), (14, 15633765), (15, 14591514), (18, 12159595), (21, 10422510), (30, 7295757), (31, 7060410), (35, 6253506), (42, 5211255), (45, 4863838), (49, 4466790), (62, 3530205), (63, 3474170), (70, 3126753), (90, 2431919), (93, 2353470), (98, 2233395), (105, 2084502), (126, 1737085), (147, 1488930), (155, 1412082), (186, 1176735), (210, 1042251), (217, 1008630), (245, 893358), (279, 784490), (294, 744465), (310, 706041), (315, 694834), (434, 504315), (441, 496310), (465, 470694), (490, 446679), (558, 392245), (630, 347417), (651, 336210), (735, 297786), (882, 248155), (930, 235347), (1085, 201726), (1302, 168105), (1395, 156898), (1470, 148893), (1519, 144090), (1601, 136710), (1953, 112070), (2170, 100863), (2205, 99262), (2790, 78449), (3038, 72045), (3202, 68355), (3255, 67242), (3906, 56035), (4410, 49631), (4557, 48030), (4803, 45570), (6510, 33621), (7595, 28818), (8005, 27342), (9114, 24015), (9606, 22785), (9765, 22414), (11207, 19530), (13671, 16010), (14409, 15190)]