721255860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:967

約数の個数: 192

約数和(自身を含む): 2438553600

約数和(自身を除く): 1717297740

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, 65, 78, 90, 108, 117, 127, 130, 135, 156, 180, 195, 234, 254, 260, 270, 351, 381, 390, 468, 508, 540, 585, 635, 702, 762, 780, 809, 1143, 1170, 1270, 1404, 1524, 1618, 1651, 1755, 1905, 2286, 2340, 2427, 2540, 3236, 3302, 3429, 3510, 3810, 4045, 4572, 4854, 4953, 5715, 6604, 6858, 7020, 7281, 7620, 8090, 8255, 9708, 9906, 10517, 11430, 12135, 13716, 14562, 14859, 16180, 16510, 17145, 19812, 21034, 21843, 22860, 24270, 24765, 29124, 29718, 31551, 33020, 34290, 36405, 42068, 43686, 44577, 48540, 49530, 52585, 59436, 63102, 68580, 72810, 74295, 87372, 89154, 94653, 99060, 102743, 105170, 109215, 126204, 145620, 148590, 157755, 178308, 189306, 205486, 210340, 218430, 222885, 283959, 297180, 308229, 315510, 378612, 410972, 436860, 445770, 473265, 513715, 567918, 616458, 631020, 891540, 924687, 946530, 1027430, 1135836, 1232916, 1335659, 1419795, 1541145, 1849374, 1893060, 2054860, 2671318, 2774061, 2839590, 3082290, 3698748, 4006977, 4623435, 5342636, 5548122, 5679180, 6164580, 6678295, 8013954, 9246870, 11096244, 12020931, 13356590, 13870305, 16027908, 18493740, 20034885, 24041862, 26713180, 27740610, 36062793, 40069770, 48083724, 55481220, 60104655, 72125586, 80139540, 120209310, 144251172, 180313965, 240418620, 360627930, 721255860]

約数ペア:

[(1, 721255860), (2, 360627930), (3, 240418620), (4, 180313965), (5, 144251172), (6, 120209310), (9, 80139540), (10, 72125586), (12, 60104655), (13, 55481220), (15, 48083724), (18, 40069770), (20, 36062793), (26, 27740610), (27, 26713180), (30, 24041862), (36, 20034885), (39, 18493740), (45, 16027908), (52, 13870305), (54, 13356590), (60, 12020931), (65, 11096244), (78, 9246870), (90, 8013954), (108, 6678295), (117, 6164580), (127, 5679180), (130, 5548122), (135, 5342636), (156, 4623435), (180, 4006977), (195, 3698748), (234, 3082290), (254, 2839590), (260, 2774061), (270, 2671318), (351, 2054860), (381, 1893060), (390, 1849374), (468, 1541145), (508, 1419795), (540, 1335659), (585, 1232916), (635, 1135836), (702, 1027430), (762, 946530), (780, 924687), (809, 891540), (1143, 631020), (1170, 616458), (1270, 567918), (1404, 513715), (1524, 473265), (1618, 445770), (1651, 436860), (1755, 410972), (1905, 378612), (2286, 315510), (2340, 308229), (2427, 297180), (2540, 283959), (3236, 222885), (3302, 218430), (3429, 210340), (3510, 205486), (3810, 189306), (4045, 178308), (4572, 157755), (4854, 148590), (4953, 145620), (5715, 126204), (6604, 109215), (6858, 105170), (7020, 102743), (7281, 99060), (7620, 94653), (8090, 89154), (8255, 87372), (9708, 74295), (9906, 72810), (10517, 68580), (11430, 63102), (12135, 59436), (13716, 52585), (14562, 49530), (14859, 48540), (16180, 44577), (16510, 43686), (17145, 42068), (19812, 36405), (21034, 34290), (21843, 33020), (22860, 31551), (24270, 29718), (24765, 29124)]