30065420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2789}}^1$

素因数の和:2823

約数の個数: 72

約数和(自身を含む): 80151120

約数和(自身を除く): 50085700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2789, 5390, 5578, 10780, 11156, 13945, 19523, 27890, 30679, 39046, 55780, 61358, 78092, 97615, 122716, 136661, 153395, 195230, 214753, 273322, 306790, 390460, 429506, 546644, 613580, 683305, 859012, 1073765, 1366610, 1503271, 2147530, 2733220, 3006542, 4295060, 6013084, 7516355, 15032710, 30065420]

約数ペア:

[(1, 30065420), (2, 15032710), (4, 7516355), (5, 6013084), (7, 4295060), (10, 3006542), (11, 2733220), (14, 2147530), (20, 1503271), (22, 1366610), (28, 1073765), (35, 859012), (44, 683305), (49, 613580), (55, 546644), (70, 429506), (77, 390460), (98, 306790), (110, 273322), (140, 214753), (154, 195230), (196, 153395), (220, 136661), (245, 122716), (308, 97615), (385, 78092), (490, 61358), (539, 55780), (770, 39046), (980, 30679), (1078, 27890), (1540, 19523), (2156, 13945), (2695, 11156), (2789, 10780), (5390, 5578)]