18979787880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{24151}}^1$

素因数の和:24264

約数の個数: 192

約数和(自身を含む): 64427875200

約数和(自身を除く): 45448087320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 59, 60, 72, 74, 90, 111, 118, 120, 148, 177, 180, 185, 222, 236, 295, 296, 333, 354, 360, 370, 444, 472, 531, 555, 590, 666, 708, 740, 885, 888, 1062, 1110, 1180, 1332, 1416, 1480, 1665, 1770, 2124, 2183, 2220, 2360, 2655, 2664, 3330, 3540, 4248, 4366, 4440, 5310, 6549, 6660, 7080, 8732, 10620, 10915, 13098, 13320, 17464, 19647, 21240, 21830, 24151, 26196, 32745, 39294, 43660, 48302, 52392, 65490, 72453, 78588, 87320, 96604, 98235, 120755, 130980, 144906, 157176, 193208, 196470, 217359, 241510, 261960, 289812, 362265, 392940, 434718, 483020, 579624, 724530, 785880, 869436, 893587, 966040, 1086795, 1424909, 1449060, 1738872, 1787174, 2173590, 2680761, 2849818, 2898120, 3574348, 4274727, 4347180, 4467935, 5361522, 5699636, 7124545, 7148696, 8042283, 8549454, 8694360, 8935870, 10723044, 11399272, 12824181, 13403805, 14249090, 16084566, 17098908, 17871740, 21373635, 21446088, 25648362, 26807610, 28498180, 32169132, 34197816, 35743480, 40211415, 42747270, 51296724, 52721633, 53615220, 56996360, 64120905, 64338264, 80422830, 85494540, 102593448, 105443266, 107230440, 128241810, 158164899, 160845660, 170989080, 210886532, 256483620, 263608165, 316329798, 321691320, 421773064, 474494697, 512967240, 527216330, 632659596, 790824495, 948989394, 1054432660, 1265319192, 1581648990, 1897978788, 2108865320, 2372473485, 3163297980, 3795957576, 4744946970, 6326595960, 9489893940, 18979787880]

約数ペア:

[(1, 18979787880), (2, 9489893940), (3, 6326595960), (4, 4744946970), (5, 3795957576), (6, 3163297980), (8, 2372473485), (9, 2108865320), (10, 1897978788), (12, 1581648990), (15, 1265319192), (18, 1054432660), (20, 948989394), (24, 790824495), (30, 632659596), (36, 527216330), (37, 512967240), (40, 474494697), (45, 421773064), (59, 321691320), (60, 316329798), (72, 263608165), (74, 256483620), (90, 210886532), (111, 170989080), (118, 160845660), (120, 158164899), (148, 128241810), (177, 107230440), (180, 105443266), (185, 102593448), (222, 85494540), (236, 80422830), (295, 64338264), (296, 64120905), (333, 56996360), (354, 53615220), (360, 52721633), (370, 51296724), (444, 42747270), (472, 40211415), (531, 35743480), (555, 34197816), (590, 32169132), (666, 28498180), (708, 26807610), (740, 25648362), (885, 21446088), (888, 21373635), (1062, 17871740), (1110, 17098908), (1180, 16084566), (1332, 14249090), (1416, 13403805), (1480, 12824181), (1665, 11399272), (1770, 10723044), (2124, 8935870), (2183, 8694360), (2220, 8549454), (2360, 8042283), (2655, 7148696), (2664, 7124545), (3330, 5699636), (3540, 5361522), (4248, 4467935), (4366, 4347180), (4440, 4274727), (5310, 3574348), (6549, 2898120), (6660, 2849818), (7080, 2680761), (8732, 2173590), (10620, 1787174), (10915, 1738872), (13098, 1449060), (13320, 1424909), (17464, 1086795), (19647, 966040), (21240, 893587), (21830, 869436), (24151, 785880), (26196, 724530), (32745, 579624), (39294, 483020), (43660, 434718), (48302, 392940), (52392, 362265), (65490, 289812), (72453, 261960), (78588, 241510), (87320, 217359), (96604, 196470), (98235, 193208), (120755, 157176), (130980, 144906)]