28163700

素因数分解:

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

素因数の和:109

約数の個数: 216

約数和(自身を含む): 97945120

約数和(自身を除く): 69781420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 61, 75, 76, 81, 90, 95, 100, 108, 114, 122, 135, 150, 162, 171, 180, 183, 190, 225, 228, 243, 244, 270, 285, 300, 305, 324, 342, 366, 380, 405, 450, 475, 486, 513, 540, 549, 570, 610, 675, 684, 732, 810, 855, 900, 915, 950, 972, 1026, 1098, 1140, 1159, 1215, 1220, 1350, 1425, 1525, 1539, 1620, 1647, 1710, 1830, 1900, 2025, 2052, 2196, 2318, 2430, 2565, 2700, 2745, 2850, 3050, 3078, 3294, 3420, 3477, 3660, 4050, 4275, 4575, 4617, 4636, 4860, 4941, 5130, 5490, 5700, 5795, 6075, 6100, 6156, 6588, 6954, 7695, 8100, 8235, 8550, 9150, 9234, 9882, 10260, 10431, 10980, 11590, 12150, 12825, 13725, 13908, 14823, 15390, 16470, 17100, 17385, 18300, 18468, 19764, 20862, 23085, 23180, 24300, 24705, 25650, 27450, 28975, 29646, 30780, 31293, 32940, 34770, 38475, 41175, 41724, 46170, 49410, 51300, 52155, 54900, 57950, 59292, 62586, 69540, 74115, 76950, 82350, 86925, 92340, 93879, 98820, 104310, 115425, 115900, 123525, 125172, 148230, 153900, 156465, 164700, 173850, 187758, 208620, 230850, 247050, 260775, 281637, 296460, 312930, 347700, 370575, 375516, 461700, 469395, 494100, 521550, 563274, 625860, 741150, 782325, 938790, 1043100, 1126548, 1408185, 1482300, 1564650, 1877580, 2346975, 2816370, 3129300, 4693950, 5632740, 7040925, 9387900, 14081850, 28163700]

約数ペア:

[(1, 28163700), (2, 14081850), (3, 9387900), (4, 7040925), (5, 5632740), (6, 4693950), (9, 3129300), (10, 2816370), (12, 2346975), (15, 1877580), (18, 1564650), (19, 1482300), (20, 1408185), (25, 1126548), (27, 1043100), (30, 938790), (36, 782325), (38, 741150), (45, 625860), (50, 563274), (54, 521550), (57, 494100), (60, 469395), (61, 461700), (75, 375516), (76, 370575), (81, 347700), (90, 312930), (95, 296460), (100, 281637), (108, 260775), (114, 247050), (122, 230850), (135, 208620), (150, 187758), (162, 173850), (171, 164700), (180, 156465), (183, 153900), (190, 148230), (225, 125172), (228, 123525), (243, 115900), (244, 115425), (270, 104310), (285, 98820), (300, 93879), (305, 92340), (324, 86925), (342, 82350), (366, 76950), (380, 74115), (405, 69540), (450, 62586), (475, 59292), (486, 57950), (513, 54900), (540, 52155), (549, 51300), (570, 49410), (610, 46170), (675, 41724), (684, 41175), (732, 38475), (810, 34770), (855, 32940), (900, 31293), (915, 30780), (950, 29646), (972, 28975), (1026, 27450), (1098, 25650), (1140, 24705), (1159, 24300), (1215, 23180), (1220, 23085), (1350, 20862), (1425, 19764), (1525, 18468), (1539, 18300), (1620, 17385), (1647, 17100), (1710, 16470), (1830, 15390), (1900, 14823), (2025, 13908), (2052, 13725), (2196, 12825), (2318, 12150), (2430, 11590), (2565, 10980), (2700, 10431), (2745, 10260), (2850, 9882), (3050, 9234), (3078, 9150), (3294, 8550), (3420, 8235), (3477, 8100), (3660, 7695), (4050, 6954), (4275, 6588), (4575, 6156), (4617, 6100), (4636, 6075), (4860, 5795), (4941, 5700), (5130, 5490)]