16898220

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 168

約数和(自身を含む): 56923440

約数和(自身を除く): 40025220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 61, 76, 81, 90, 95, 108, 114, 122, 135, 162, 171, 180, 183, 190, 228, 243, 244, 270, 285, 305, 324, 342, 366, 380, 405, 486, 513, 540, 549, 570, 610, 684, 729, 732, 810, 855, 915, 972, 1026, 1098, 1140, 1159, 1215, 1220, 1458, 1539, 1620, 1647, 1710, 1830, 2052, 2196, 2318, 2430, 2565, 2745, 2916, 3078, 3294, 3420, 3477, 3645, 3660, 4617, 4636, 4860, 4941, 5130, 5490, 5795, 6156, 6588, 6954, 7290, 7695, 8235, 9234, 9882, 10260, 10431, 10980, 11590, 13851, 13908, 14580, 14823, 15390, 16470, 17385, 18468, 19764, 20862, 23085, 23180, 24705, 27702, 29646, 30780, 31293, 32940, 34770, 41724, 44469, 46170, 49410, 52155, 55404, 59292, 62586, 69255, 69540, 74115, 88938, 92340, 93879, 98820, 104310, 125172, 138510, 148230, 156465, 177876, 187758, 208620, 222345, 277020, 281637, 296460, 312930, 375516, 444690, 469395, 563274, 625860, 844911, 889380, 938790, 1126548, 1408185, 1689822, 1877580, 2816370, 3379644, 4224555, 5632740, 8449110, 16898220]

約数ペア:

[(1, 16898220), (2, 8449110), (3, 5632740), (4, 4224555), (5, 3379644), (6, 2816370), (9, 1877580), (10, 1689822), (12, 1408185), (15, 1126548), (18, 938790), (19, 889380), (20, 844911), (27, 625860), (30, 563274), (36, 469395), (38, 444690), (45, 375516), (54, 312930), (57, 296460), (60, 281637), (61, 277020), (76, 222345), (81, 208620), (90, 187758), (95, 177876), (108, 156465), (114, 148230), (122, 138510), (135, 125172), (162, 104310), (171, 98820), (180, 93879), (183, 92340), (190, 88938), (228, 74115), (243, 69540), (244, 69255), (270, 62586), (285, 59292), (305, 55404), (324, 52155), (342, 49410), (366, 46170), (380, 44469), (405, 41724), (486, 34770), (513, 32940), (540, 31293), (549, 30780), (570, 29646), (610, 27702), (684, 24705), (729, 23180), (732, 23085), (810, 20862), (855, 19764), (915, 18468), (972, 17385), (1026, 16470), (1098, 15390), (1140, 14823), (1159, 14580), (1215, 13908), (1220, 13851), (1458, 11590), (1539, 10980), (1620, 10431), (1647, 10260), (1710, 9882), (1830, 9234), (2052, 8235), (2196, 7695), (2318, 7290), (2430, 6954), (2565, 6588), (2745, 6156), (2916, 5795), (3078, 5490), (3294, 5130), (3420, 4941), (3477, 4860), (3645, 4636), (3660, 4617)]