215361990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5657}}^1$

素因数の和:5723

約数の個数: 80

約数和(自身を含む): 591509952

約数和(自身を除く): 376147962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 270, 282, 405, 423, 470, 705, 810, 846, 1269, 1410, 2115, 2538, 3807, 4230, 5657, 6345, 7614, 11314, 12690, 16971, 19035, 28285, 33942, 38070, 50913, 56570, 84855, 101826, 152739, 169710, 254565, 265879, 305478, 458217, 509130, 531758, 763695, 797637, 916434, 1329395, 1527390, 1595274, 2291085, 2392911, 2658790, 3988185, 4582170, 4785822, 7178733, 7976370, 11964555, 14357466, 21536199, 23929110, 35893665, 43072398, 71787330, 107680995, 215361990]

約数ペア:

[(1, 215361990), (2, 107680995), (3, 71787330), (5, 43072398), (6, 35893665), (9, 23929110), (10, 21536199), (15, 14357466), (18, 11964555), (27, 7976370), (30, 7178733), (45, 4785822), (47, 4582170), (54, 3988185), (81, 2658790), (90, 2392911), (94, 2291085), (135, 1595274), (141, 1527390), (162, 1329395), (235, 916434), (270, 797637), (282, 763695), (405, 531758), (423, 509130), (470, 458217), (705, 305478), (810, 265879), (846, 254565), (1269, 169710), (1410, 152739), (2115, 101826), (2538, 84855), (3807, 56570), (4230, 50913), (5657, 38070), (6345, 33942), (7614, 28285), (11314, 19035), (12690, 16971)]