65447820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 211131648

約数和(自身を除く): 145683828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 317, 333, 370, 372, 444, 465, 555, 558, 620, 634, 666, 740, 930, 951, 1110, 1116, 1147, 1268, 1332, 1395, 1585, 1665, 1860, 1902, 2220, 2294, 2790, 2853, 3170, 3330, 3441, 3804, 4588, 4755, 5580, 5706, 5735, 6340, 6660, 6882, 9510, 9827, 10323, 11412, 11470, 11729, 13764, 14265, 17205, 19020, 19654, 20646, 22940, 23458, 28530, 29481, 34410, 35187, 39308, 41292, 46916, 49135, 51615, 57060, 58645, 58962, 68820, 70374, 88443, 98270, 103230, 105561, 117290, 117924, 140748, 147405, 175935, 176886, 196540, 206460, 211122, 234580, 294810, 351870, 353772, 363599, 422244, 442215, 527805, 589620, 703740, 727198, 884430, 1055610, 1090797, 1454396, 1768860, 1817995, 2111220, 2181594, 3272391, 3635990, 4363188, 5453985, 6544782, 7271980, 10907970, 13089564, 16361955, 21815940, 32723910, 65447820]

約数ペア:

[(1, 65447820), (2, 32723910), (3, 21815940), (4, 16361955), (5, 13089564), (6, 10907970), (9, 7271980), (10, 6544782), (12, 5453985), (15, 4363188), (18, 3635990), (20, 3272391), (30, 2181594), (31, 2111220), (36, 1817995), (37, 1768860), (45, 1454396), (60, 1090797), (62, 1055610), (74, 884430), (90, 727198), (93, 703740), (111, 589620), (124, 527805), (148, 442215), (155, 422244), (180, 363599), (185, 353772), (186, 351870), (222, 294810), (279, 234580), (310, 211122), (317, 206460), (333, 196540), (370, 176886), (372, 175935), (444, 147405), (465, 140748), (555, 117924), (558, 117290), (620, 105561), (634, 103230), (666, 98270), (740, 88443), (930, 70374), (951, 68820), (1110, 58962), (1116, 58645), (1147, 57060), (1268, 51615), (1332, 49135), (1395, 46916), (1585, 41292), (1665, 39308), (1860, 35187), (1902, 34410), (2220, 29481), (2294, 28530), (2790, 23458), (2853, 22940), (3170, 20646), (3330, 19654), (3441, 19020), (3804, 17205), (4588, 14265), (4755, 13764), (5580, 11729), (5706, 11470), (5735, 11412), (6340, 10323), (6660, 9827), (6882, 9510)]