287379540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3739}}^1$

素因数の和:3822

約数の個数: 144

約数和(自身を含む): 1012851840

約数和(自身を除く): 725472300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 3660, 3739, 3843, 4270, 5124, 5490, 6405, 7478, 7686, 8540, 10980, 11217, 12810, 14956, 15372, 18695, 19215, 22434, 25620, 26173, 33651, 37390, 38430, 44868, 52346, 56085, 67302, 74780, 76860, 78519, 104692, 112170, 130865, 134604, 157038, 168255, 224340, 228079, 235557, 261730, 314076, 336510, 392595, 456158, 471114, 523460, 673020, 684237, 785190, 912316, 942228, 1140395, 1177785, 1368474, 1570380, 1596553, 2052711, 2280790, 2355570, 2736948, 3193106, 3421185, 4105422, 4561580, 4711140, 4789659, 6386212, 6842370, 7982765, 8210844, 9579318, 10263555, 13684740, 14368977, 15965530, 19158636, 20527110, 23948295, 28737954, 31931060, 41054220, 47896590, 57475908, 71844885, 95793180, 143689770, 287379540]

約数ペア:

[(1, 287379540), (2, 143689770), (3, 95793180), (4, 71844885), (5, 57475908), (6, 47896590), (7, 41054220), (9, 31931060), (10, 28737954), (12, 23948295), (14, 20527110), (15, 19158636), (18, 15965530), (20, 14368977), (21, 13684740), (28, 10263555), (30, 9579318), (35, 8210844), (36, 7982765), (42, 6842370), (45, 6386212), (60, 4789659), (61, 4711140), (63, 4561580), (70, 4105422), (84, 3421185), (90, 3193106), (105, 2736948), (122, 2355570), (126, 2280790), (140, 2052711), (180, 1596553), (183, 1570380), (210, 1368474), (244, 1177785), (252, 1140395), (305, 942228), (315, 912316), (366, 785190), (420, 684237), (427, 673020), (549, 523460), (610, 471114), (630, 456158), (732, 392595), (854, 336510), (915, 314076), (1098, 261730), (1220, 235557), (1260, 228079), (1281, 224340), (1708, 168255), (1830, 157038), (2135, 134604), (2196, 130865), (2562, 112170), (2745, 104692), (3660, 78519), (3739, 76860), (3843, 74780), (4270, 67302), (5124, 56085), (5490, 52346), (6405, 44868), (7478, 38430), (7686, 37390), (8540, 33651), (10980, 26173), (11217, 25620), (12810, 22434), (14956, 19215), (15372, 18695)]