661946580

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:657

約数の個数: 168

約数和(自身を含む): 2113144992

約数和(自身を除く): 1451198412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 162, 166, 180, 243, 249, 270, 324, 332, 405, 415, 486, 498, 540, 547, 729, 747, 810, 830, 972, 996, 1094, 1215, 1245, 1458, 1494, 1620, 1641, 1660, 2188, 2241, 2430, 2490, 2735, 2916, 2988, 3282, 3645, 3735, 4482, 4860, 4923, 4980, 5470, 6564, 6723, 7290, 7470, 8205, 8964, 9846, 10940, 11205, 13446, 14580, 14769, 14940, 16410, 19692, 20169, 22410, 24615, 26892, 29538, 32820, 33615, 40338, 44307, 44820, 45401, 49230, 59076, 60507, 67230, 73845, 80676, 88614, 90802, 98460, 100845, 121014, 132921, 134460, 136203, 147690, 177228, 181604, 201690, 221535, 227005, 242028, 265842, 272406, 295380, 302535, 398763, 403380, 408609, 443070, 454010, 531684, 544812, 605070, 664605, 681015, 797526, 817218, 886140, 908020, 1210140, 1225827, 1329210, 1362030, 1595052, 1634436, 1993815, 2043045, 2451654, 2658420, 2724060, 3677481, 3987630, 4086090, 4903308, 6129135, 7354962, 7975260, 8172180, 11032443, 12258270, 14709924, 18387405, 22064886, 24516540, 33097329, 36774810, 44129772, 55162215, 66194658, 73549620, 110324430, 132389316, 165486645, 220648860, 330973290, 661946580]

約数ペア:

[(1, 661946580), (2, 330973290), (3, 220648860), (4, 165486645), (5, 132389316), (6, 110324430), (9, 73549620), (10, 66194658), (12, 55162215), (15, 44129772), (18, 36774810), (20, 33097329), (27, 24516540), (30, 22064886), (36, 18387405), (45, 14709924), (54, 12258270), (60, 11032443), (81, 8172180), (83, 7975260), (90, 7354962), (108, 6129135), (135, 4903308), (162, 4086090), (166, 3987630), (180, 3677481), (243, 2724060), (249, 2658420), (270, 2451654), (324, 2043045), (332, 1993815), (405, 1634436), (415, 1595052), (486, 1362030), (498, 1329210), (540, 1225827), (547, 1210140), (729, 908020), (747, 886140), (810, 817218), (830, 797526), (972, 681015), (996, 664605), (1094, 605070), (1215, 544812), (1245, 531684), (1458, 454010), (1494, 443070), (1620, 408609), (1641, 403380), (1660, 398763), (2188, 302535), (2241, 295380), (2430, 272406), (2490, 265842), (2735, 242028), (2916, 227005), (2988, 221535), (3282, 201690), (3645, 181604), (3735, 177228), (4482, 147690), (4860, 136203), (4923, 134460), (4980, 132921), (5470, 121014), (6564, 100845), (6723, 98460), (7290, 90802), (7470, 88614), (8205, 80676), (8964, 73845), (9846, 67230), (10940, 60507), (11205, 59076), (13446, 49230), (14580, 45401), (14769, 44820), (14940, 44307), (16410, 40338), (19692, 33615), (20169, 32820), (22410, 29538), (24615, 26892)]