219723660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 216

約数和(自身を含む): 748185984

約数和(自身を除く): 528462324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 169, 180, 186, 195, 233, 234, 260, 279, 310, 338, 372, 390, 403, 465, 466, 468, 507, 558, 585, 620, 676, 699, 780, 806, 845, 930, 932, 1014, 1116, 1165, 1170, 1209, 1395, 1398, 1521, 1612, 1690, 1860, 2015, 2028, 2097, 2330, 2340, 2418, 2535, 2790, 2796, 3029, 3042, 3380, 3495, 3627, 4030, 4194, 4660, 4836, 5070, 5239, 5580, 6045, 6058, 6084, 6990, 7223, 7254, 7605, 8060, 8388, 9087, 10140, 10478, 10485, 12090, 12116, 13980, 14446, 14508, 15145, 15210, 15717, 18135, 18174, 20956, 20970, 21669, 24180, 26195, 27261, 28892, 30290, 30420, 31434, 36115, 36270, 36348, 39377, 41940, 43338, 45435, 47151, 52390, 54522, 60580, 62868, 65007, 72230, 72540, 78585, 78754, 86676, 90870, 93899, 94302, 104780, 108345, 109044, 118131, 130014, 136305, 144460, 157170, 157508, 181740, 187798, 188604, 196885, 216690, 235755, 236262, 260028, 272610, 281697, 314340, 325035, 354393, 375596, 393770, 433380, 469495, 471510, 472524, 545220, 563394, 590655, 650070, 708786, 787540, 845091, 938990, 943020, 1126788, 1181310, 1220687, 1300140, 1408485, 1417572, 1690182, 1771965, 1877980, 2362620, 2441374, 2816970, 3380364, 3543930, 3662061, 4225455, 4882748, 5633940, 6103435, 7087860, 7324122, 8450910, 10986183, 12206870, 14648244, 16901820, 18310305, 21972366, 24413740, 36620610, 43944732, 54930915, 73241220, 109861830, 219723660]

約数ペア:

[(1, 219723660), (2, 109861830), (3, 73241220), (4, 54930915), (5, 43944732), (6, 36620610), (9, 24413740), (10, 21972366), (12, 18310305), (13, 16901820), (15, 14648244), (18, 12206870), (20, 10986183), (26, 8450910), (30, 7324122), (31, 7087860), (36, 6103435), (39, 5633940), (45, 4882748), (52, 4225455), (60, 3662061), (62, 3543930), (65, 3380364), (78, 2816970), (90, 2441374), (93, 2362620), (117, 1877980), (124, 1771965), (130, 1690182), (155, 1417572), (156, 1408485), (169, 1300140), (180, 1220687), (186, 1181310), (195, 1126788), (233, 943020), (234, 938990), (260, 845091), (279, 787540), (310, 708786), (338, 650070), (372, 590655), (390, 563394), (403, 545220), (465, 472524), (466, 471510), (468, 469495), (507, 433380), (558, 393770), (585, 375596), (620, 354393), (676, 325035), (699, 314340), (780, 281697), (806, 272610), (845, 260028), (930, 236262), (932, 235755), (1014, 216690), (1116, 196885), (1165, 188604), (1170, 187798), (1209, 181740), (1395, 157508), (1398, 157170), (1521, 144460), (1612, 136305), (1690, 130014), (1860, 118131), (2015, 109044), (2028, 108345), (2097, 104780), (2330, 94302), (2340, 93899), (2418, 90870), (2535, 86676), (2790, 78754), (2796, 78585), (3029, 72540), (3042, 72230), (3380, 65007), (3495, 62868), (3627, 60580), (4030, 54522), (4194, 52390), (4660, 47151), (4836, 45435), (5070, 43338), (5239, 41940), (5580, 39377), (6045, 36348), (6058, 36270), (6084, 36115), (6990, 31434), (7223, 30420), (7254, 30290), (7605, 28892), (8060, 27261), (8388, 26195), (9087, 24180), (10140, 21669), (10478, 20970), (10485, 20956), (12090, 18174), (12116, 18135), (13980, 15717), (14446, 15210), (14508, 15145)]