217107540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 240

約数和(自身を含む): 749899920

約数和(自身を除く): 532792380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 78, 81, 90, 108, 117, 122, 130, 135, 156, 162, 169, 180, 183, 195, 234, 244, 260, 270, 305, 324, 338, 351, 366, 390, 405, 468, 507, 540, 549, 585, 610, 676, 702, 732, 780, 793, 810, 845, 915, 1014, 1053, 1098, 1170, 1220, 1404, 1521, 1586, 1620, 1647, 1690, 1755, 1830, 2028, 2106, 2196, 2197, 2340, 2379, 2535, 2745, 3042, 3172, 3294, 3380, 3510, 3660, 3965, 4212, 4394, 4563, 4758, 4941, 5070, 5265, 5490, 6084, 6588, 6591, 7020, 7137, 7605, 7930, 8235, 8788, 9126, 9516, 9882, 10140, 10309, 10530, 10980, 10985, 11895, 13182, 13689, 14274, 15210, 15860, 16470, 18252, 19764, 19773, 20618, 21060, 21411, 21970, 22815, 23790, 24705, 26364, 27378, 28548, 30420, 30927, 32940, 32955, 35685, 39546, 41236, 42822, 43940, 45630, 47580, 49410, 51545, 54756, 59319, 61854, 64233, 65910, 68445, 71370, 79092, 85644, 91260, 92781, 98820, 98865, 103090, 107055, 118638, 123708, 128466, 131820, 134017, 136890, 142740, 154635, 177957, 185562, 197730, 206180, 214110, 237276, 256932, 268034, 273780, 278343, 296595, 309270, 321165, 355914, 371124, 395460, 402051, 428220, 463905, 536068, 556686, 593190, 618540, 642330, 670085, 711828, 804102, 835029, 889785, 927810, 1113372, 1186380, 1206153, 1284660, 1340170, 1391715, 1608204, 1670058, 1779570, 1855620, 2010255, 2412306, 2680340, 2783430, 3340116, 3559140, 3618459, 4020510, 4175145, 4824612, 5566860, 6030765, 7236918, 8041020, 8350290, 10855377, 12061530, 14473836, 16700580, 18092295, 21710754, 24123060, 36184590, 43421508, 54276885, 72369180, 108553770, 217107540]

約数ペア:

[(1, 217107540), (2, 108553770), (3, 72369180), (4, 54276885), (5, 43421508), (6, 36184590), (9, 24123060), (10, 21710754), (12, 18092295), (13, 16700580), (15, 14473836), (18, 12061530), (20, 10855377), (26, 8350290), (27, 8041020), (30, 7236918), (36, 6030765), (39, 5566860), (45, 4824612), (52, 4175145), (54, 4020510), (60, 3618459), (61, 3559140), (65, 3340116), (78, 2783430), (81, 2680340), (90, 2412306), (108, 2010255), (117, 1855620), (122, 1779570), (130, 1670058), (135, 1608204), (156, 1391715), (162, 1340170), (169, 1284660), (180, 1206153), (183, 1186380), (195, 1113372), (234, 927810), (244, 889785), (260, 835029), (270, 804102), (305, 711828), (324, 670085), (338, 642330), (351, 618540), (366, 593190), (390, 556686), (405, 536068), (468, 463905), (507, 428220), (540, 402051), (549, 395460), (585, 371124), (610, 355914), (676, 321165), (702, 309270), (732, 296595), (780, 278343), (793, 273780), (810, 268034), (845, 256932), (915, 237276), (1014, 214110), (1053, 206180), (1098, 197730), (1170, 185562), (1220, 177957), (1404, 154635), (1521, 142740), (1586, 136890), (1620, 134017), (1647, 131820), (1690, 128466), (1755, 123708), (1830, 118638), (2028, 107055), (2106, 103090), (2196, 98865), (2197, 98820), (2340, 92781), (2379, 91260), (2535, 85644), (2745, 79092), (3042, 71370), (3172, 68445), (3294, 65910), (3380, 64233), (3510, 61854), (3660, 59319), (3965, 54756), (4212, 51545), (4394, 49410), (4563, 47580), (4758, 45630), (4941, 43940), (5070, 42822), (5265, 41236), (5490, 39546), (6084, 35685), (6588, 32955), (6591, 32940), (7020, 30927), (7137, 30420), (7605, 28548), (7930, 27378), (8235, 26364), (8788, 24705), (9126, 23790), (9516, 22815), (9882, 21970), (10140, 21411), (10309, 21060), (10530, 20618), (10980, 19773), (10985, 19764), (11895, 18252), (13182, 16470), (13689, 15860), (14274, 15210)]