90142020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3361}}^1$

素因数の和:3525

約数の個数: 72

約数和(自身を含む): 275347800

約数和(自身を除く): 185205780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3361, 4470, 5364, 6705, 6722, 8940, 10083, 13410, 13444, 16805, 20166, 26820, 30249, 33610, 40332, 50415, 60498, 67220, 100830, 120996, 151245, 201660, 302490, 500789, 604980, 1001578, 1502367, 2003156, 2503945, 3004734, 4507101, 5007890, 6009468, 7511835, 9014202, 10015780, 15023670, 18028404, 22535505, 30047340, 45071010, 90142020]

約数ペア:

[(1, 90142020), (2, 45071010), (3, 30047340), (4, 22535505), (5, 18028404), (6, 15023670), (9, 10015780), (10, 9014202), (12, 7511835), (15, 6009468), (18, 5007890), (20, 4507101), (30, 3004734), (36, 2503945), (45, 2003156), (60, 1502367), (90, 1001578), (149, 604980), (180, 500789), (298, 302490), (447, 201660), (596, 151245), (745, 120996), (894, 100830), (1341, 67220), (1490, 60498), (1788, 50415), (2235, 40332), (2682, 33610), (2980, 30249), (3361, 26820), (4470, 20166), (5364, 16805), (6705, 13444), (6722, 13410), (8940, 10083)]