66898620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 220846080

約数和(自身を除く): 153947460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 631, 684, 855, 930, 1116, 1140, 1178, 1262, 1395, 1710, 1767, 1860, 1893, 2356, 2524, 2790, 2945, 3155, 3420, 3534, 3786, 5301, 5580, 5679, 5890, 6310, 7068, 7572, 8835, 9465, 10602, 11358, 11780, 11989, 12620, 17670, 18930, 19561, 21204, 22716, 23978, 26505, 28395, 35340, 35967, 37860, 39122, 47956, 53010, 56790, 58683, 59945, 71934, 78244, 97805, 106020, 107901, 113580, 117366, 119890, 143868, 176049, 179835, 195610, 215802, 234732, 239780, 293415, 352098, 359670, 371659, 391220, 431604, 539505, 586830, 704196, 719340, 743318, 880245, 1079010, 1114977, 1173660, 1486636, 1760490, 1858295, 2158020, 2229954, 3344931, 3520980, 3716590, 4459908, 5574885, 6689862, 7433180, 11149770, 13379724, 16724655, 22299540, 33449310, 66898620]

約数ペア:

[(1, 66898620), (2, 33449310), (3, 22299540), (4, 16724655), (5, 13379724), (6, 11149770), (9, 7433180), (10, 6689862), (12, 5574885), (15, 4459908), (18, 3716590), (19, 3520980), (20, 3344931), (30, 2229954), (31, 2158020), (36, 1858295), (38, 1760490), (45, 1486636), (57, 1173660), (60, 1114977), (62, 1079010), (76, 880245), (90, 743318), (93, 719340), (95, 704196), (114, 586830), (124, 539505), (155, 431604), (171, 391220), (180, 371659), (186, 359670), (190, 352098), (228, 293415), (279, 239780), (285, 234732), (310, 215802), (342, 195610), (372, 179835), (380, 176049), (465, 143868), (558, 119890), (570, 117366), (589, 113580), (620, 107901), (631, 106020), (684, 97805), (855, 78244), (930, 71934), (1116, 59945), (1140, 58683), (1178, 56790), (1262, 53010), (1395, 47956), (1710, 39122), (1767, 37860), (1860, 35967), (1893, 35340), (2356, 28395), (2524, 26505), (2790, 23978), (2945, 22716), (3155, 21204), (3420, 19561), (3534, 18930), (3786, 17670), (5301, 12620), (5580, 11989), (5679, 11780), (5890, 11358), (6310, 10602), (7068, 9465), (7572, 8835)]