78328260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 257275200

約数和(自身を除く): 178946940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 619, 666, 684, 703, 740, 855, 1110, 1140, 1238, 1332, 1406, 1665, 1710, 1857, 2109, 2220, 2476, 2812, 3095, 3330, 3420, 3515, 3714, 4218, 5571, 6190, 6327, 6660, 7030, 7428, 8436, 9285, 10545, 11142, 11761, 12380, 12654, 14060, 18570, 21090, 22284, 22903, 23522, 25308, 27855, 31635, 35283, 37140, 42180, 45806, 47044, 55710, 58805, 63270, 68709, 70566, 91612, 105849, 111420, 114515, 117610, 126540, 137418, 141132, 176415, 206127, 211698, 229030, 235220, 274836, 343545, 352830, 412254, 423396, 435157, 458060, 529245, 687090, 705660, 824508, 870314, 1030635, 1058490, 1305471, 1374180, 1740628, 2061270, 2116980, 2175785, 2610942, 3916413, 4122540, 4351570, 5221884, 6527355, 7832826, 8703140, 13054710, 15665652, 19582065, 26109420, 39164130, 78328260]

約数ペア:

[(1, 78328260), (2, 39164130), (3, 26109420), (4, 19582065), (5, 15665652), (6, 13054710), (9, 8703140), (10, 7832826), (12, 6527355), (15, 5221884), (18, 4351570), (19, 4122540), (20, 3916413), (30, 2610942), (36, 2175785), (37, 2116980), (38, 2061270), (45, 1740628), (57, 1374180), (60, 1305471), (74, 1058490), (76, 1030635), (90, 870314), (95, 824508), (111, 705660), (114, 687090), (148, 529245), (171, 458060), (180, 435157), (185, 423396), (190, 412254), (222, 352830), (228, 343545), (285, 274836), (333, 235220), (342, 229030), (370, 211698), (380, 206127), (444, 176415), (555, 141132), (570, 137418), (619, 126540), (666, 117610), (684, 114515), (703, 111420), (740, 105849), (855, 91612), (1110, 70566), (1140, 68709), (1238, 63270), (1332, 58805), (1406, 55710), (1665, 47044), (1710, 45806), (1857, 42180), (2109, 37140), (2220, 35283), (2476, 31635), (2812, 27855), (3095, 25308), (3330, 23522), (3420, 22903), (3515, 22284), (3714, 21090), (4218, 18570), (5571, 14060), (6190, 12654), (6327, 12380), (6660, 11761), (7030, 11142), (7428, 10545), (8436, 9285)]