81894330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 96

約数和(自身を含む): 247448448

約数和(自身を除く): 165554118

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 854, 915, 1098, 1281, 1830, 2131, 2135, 2562, 2745, 3843, 4262, 4270, 5490, 6393, 6405, 7686, 10655, 12786, 12810, 14917, 19179, 19215, 21310, 29834, 31965, 38358, 38430, 44751, 63930, 74585, 89502, 95895, 129991, 134253, 149170, 191790, 223755, 259982, 268506, 389973, 447510, 649955, 671265, 779946, 909937, 1169919, 1299910, 1342530, 1819874, 1949865, 2339838, 2729811, 3899730, 4549685, 5459622, 5849595, 8189433, 9099370, 11699190, 13649055, 16378866, 27298110, 40947165, 81894330]

約数ペア:

[(1, 81894330), (2, 40947165), (3, 27298110), (5, 16378866), (6, 13649055), (7, 11699190), (9, 9099370), (10, 8189433), (14, 5849595), (15, 5459622), (18, 4549685), (21, 3899730), (30, 2729811), (35, 2339838), (42, 1949865), (45, 1819874), (61, 1342530), (63, 1299910), (70, 1169919), (90, 909937), (105, 779946), (122, 671265), (126, 649955), (183, 447510), (210, 389973), (305, 268506), (315, 259982), (366, 223755), (427, 191790), (549, 149170), (610, 134253), (630, 129991), (854, 95895), (915, 89502), (1098, 74585), (1281, 63930), (1830, 44751), (2131, 38430), (2135, 38358), (2562, 31965), (2745, 29834), (3843, 21310), (4262, 19215), (4270, 19179), (5490, 14917), (6393, 12810), (6405, 12786), (7686, 10655)]