218268540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 807831360

約数和(自身を除く): 589562820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 73, 84, 90, 98, 105, 108, 113, 126, 135, 140, 146, 147, 180, 189, 196, 210, 219, 226, 245, 252, 270, 292, 294, 315, 339, 365, 378, 420, 438, 441, 452, 490, 511, 540, 565, 588, 630, 657, 678, 730, 735, 756, 791, 876, 882, 945, 980, 1017, 1022, 1095, 1130, 1260, 1314, 1323, 1356, 1460, 1470, 1533, 1582, 1695, 1764, 1890, 1971, 2034, 2044, 2190, 2205, 2260, 2373, 2555, 2628, 2646, 2940, 3051, 3066, 3164, 3285, 3390, 3577, 3780, 3942, 3955, 4068, 4380, 4410, 4599, 4746, 5085, 5110, 5292, 5537, 6102, 6132, 6570, 6615, 6780, 7119, 7154, 7665, 7884, 7910, 8249, 8820, 9198, 9492, 9855, 10170, 10220, 10731, 11074, 11865, 12204, 13140, 13230, 13797, 14238, 14308, 15255, 15330, 15820, 16498, 16611, 17885, 18396, 19710, 20340, 21357, 21462, 22148, 22995, 23730, 24747, 26460, 27594, 27685, 28476, 30510, 30660, 32193, 32996, 33222, 35595, 35770, 39420, 41245, 42714, 42924, 45990, 47460, 49494, 49833, 53655, 55188, 55370, 57743, 61020, 64386, 66444, 68985, 71190, 71540, 74241, 82490, 83055, 85428, 91980, 96579, 98988, 99666, 106785, 107310, 110740, 115486, 123735, 128772, 137970, 142380, 148482, 149499, 160965, 164980, 166110, 173229, 193158, 199332, 213570, 214620, 222723, 230972, 247470, 249165, 275940, 288715, 296964, 298998, 321930, 332220, 346458, 371205, 386316, 404201, 427140, 445446, 482895, 494940, 498330, 519687, 577430, 597996, 643860, 692916, 742410, 747495, 808402, 866145, 890892, 965790, 996660, 1039374, 1113615, 1154860, 1212603, 1484820, 1494990, 1559061, 1616804, 1732290, 1931580, 2021005, 2078748, 2227230, 2425206, 2598435, 2989980, 3118122, 3464580, 3637809, 4042010, 4454460, 4850412, 5196870, 6063015, 6236244, 7275618, 7795305, 8084020, 10393740, 10913427, 12126030, 14551236, 15590610, 18189045, 21826854, 24252060, 31181220, 36378090, 43653708, 54567135, 72756180, 109134270, 218268540]

約数ペア:

[(1, 218268540), (2, 109134270), (3, 72756180), (4, 54567135), (5, 43653708), (6, 36378090), (7, 31181220), (9, 24252060), (10, 21826854), (12, 18189045), (14, 15590610), (15, 14551236), (18, 12126030), (20, 10913427), (21, 10393740), (27, 8084020), (28, 7795305), (30, 7275618), (35, 6236244), (36, 6063015), (42, 5196870), (45, 4850412), (49, 4454460), (54, 4042010), (60, 3637809), (63, 3464580), (70, 3118122), (73, 2989980), (84, 2598435), (90, 2425206), (98, 2227230), (105, 2078748), (108, 2021005), (113, 1931580), (126, 1732290), (135, 1616804), (140, 1559061), (146, 1494990), (147, 1484820), (180, 1212603), (189, 1154860), (196, 1113615), (210, 1039374), (219, 996660), (226, 965790), (245, 890892), (252, 866145), (270, 808402), (292, 747495), (294, 742410), (315, 692916), (339, 643860), (365, 597996), (378, 577430), (420, 519687), (438, 498330), (441, 494940), (452, 482895), (490, 445446), (511, 427140), (540, 404201), (565, 386316), (588, 371205), (630, 346458), (657, 332220), (678, 321930), (730, 298998), (735, 296964), (756, 288715), (791, 275940), (876, 249165), (882, 247470), (945, 230972), (980, 222723), (1017, 214620), (1022, 213570), (1095, 199332), (1130, 193158), (1260, 173229), (1314, 166110), (1323, 164980), (1356, 160965), (1460, 149499), (1470, 148482), (1533, 142380), (1582, 137970), (1695, 128772), (1764, 123735), (1890, 115486), (1971, 110740), (2034, 107310), (2044, 106785), (2190, 99666), (2205, 98988), (2260, 96579), (2373, 91980), (2555, 85428), (2628, 83055), (2646, 82490), (2940, 74241), (3051, 71540), (3066, 71190), (3164, 68985), (3285, 66444), (3390, 64386), (3577, 61020), (3780, 57743), (3942, 55370), (3955, 55188), (4068, 53655), (4380, 49833), (4410, 49494), (4599, 47460), (4746, 45990), (5085, 42924), (5110, 42714), (5292, 41245), (5537, 39420), (6102, 35770), (6132, 35595), (6570, 33222), (6615, 32996), (6780, 32193), (7119, 30660), (7154, 30510), (7665, 28476), (7884, 27685), (7910, 27594), (8249, 26460), (8820, 24747), (9198, 23730), (9492, 22995), (9855, 22148), (10170, 21462), (10220, 21357), (10731, 20340), (11074, 19710), (11865, 18396), (12204, 17885), (13140, 16611), (13230, 16498), (13797, 15820), (14238, 15330), (14308, 15255)]