217508760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28771}}^1$

素因数の和:28798

約数の個数: 128

約数和(自身を含む): 828633600

約数和(自身を除く): 611124840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28771, 57542, 86313, 115084, 143855, 172626, 201397, 230168, 258939, 287710, 345252, 402794, 431565, 517878, 575420, 604191, 690504, 776817, 805588, 863130, 1006985, 1035756, 1150840, 1208382, 1294695, 1553634, 1611176, 1726260, 1812573, 2013970, 2071512, 2416764, 2589390, 3020955, 3107268, 3452520, 3625146, 3884085, 4027940, 4833528, 5178780, 5437719, 6041910, 6214536, 7250292, 7768170, 8055880, 9062865, 10357560, 10875438, 12083820, 14500584, 15536340, 18125730, 21750876, 24167640, 27188595, 31072680, 36251460, 43501752, 54377190, 72502920, 108754380, 217508760]

約数ペア:

[(1, 217508760), (2, 108754380), (3, 72502920), (4, 54377190), (5, 43501752), (6, 36251460), (7, 31072680), (8, 27188595), (9, 24167640), (10, 21750876), (12, 18125730), (14, 15536340), (15, 14500584), (18, 12083820), (20, 10875438), (21, 10357560), (24, 9062865), (27, 8055880), (28, 7768170), (30, 7250292), (35, 6214536), (36, 6041910), (40, 5437719), (42, 5178780), (45, 4833528), (54, 4027940), (56, 3884085), (60, 3625146), (63, 3452520), (70, 3107268), (72, 3020955), (84, 2589390), (90, 2416764), (105, 2071512), (108, 2013970), (120, 1812573), (126, 1726260), (135, 1611176), (140, 1553634), (168, 1294695), (180, 1208382), (189, 1150840), (210, 1035756), (216, 1006985), (252, 863130), (270, 805588), (280, 776817), (315, 690504), (360, 604191), (378, 575420), (420, 517878), (504, 431565), (540, 402794), (630, 345252), (756, 287710), (840, 258939), (945, 230168), (1080, 201397), (1260, 172626), (1512, 143855), (1890, 115084), (2520, 86313), (3780, 57542), (7560, 28771)]