81861390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 246984192

約数和(自身を除く): 165122802

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 37, 39, 45, 61, 62, 65, 74, 78, 90, 93, 111, 117, 122, 130, 155, 183, 185, 186, 195, 222, 234, 279, 305, 310, 333, 366, 370, 390, 403, 465, 481, 549, 555, 558, 585, 610, 666, 793, 806, 915, 930, 962, 1098, 1110, 1147, 1170, 1209, 1395, 1443, 1586, 1665, 1830, 1891, 2015, 2257, 2294, 2379, 2405, 2418, 2745, 2790, 2886, 3330, 3441, 3627, 3782, 3965, 4030, 4329, 4514, 4758, 4810, 5490, 5673, 5735, 6045, 6771, 6882, 7137, 7215, 7254, 7930, 8658, 9455, 10323, 11285, 11346, 11470, 11895, 12090, 13542, 14274, 14430, 14911, 17019, 17205, 18135, 18910, 20313, 20646, 21645, 22570, 23790, 24583, 28365, 29341, 29822, 33855, 34038, 34410, 35685, 36270, 40626, 43290, 44733, 49166, 51615, 56730, 58682, 67710, 69967, 71370, 73749, 74555, 85095, 88023, 89466, 101565, 103230, 122915, 134199, 139934, 146705, 147498, 149110, 170190, 176046, 203130, 209901, 221247, 223665, 245830, 264069, 268398, 293410, 349835, 368745, 419802, 440115, 442494, 447330, 528138, 629703, 670995, 699670, 737490, 880230, 909571, 1049505, 1106235, 1259406, 1320345, 1341990, 1819142, 2099010, 2212470, 2640690, 2728713, 3148515, 4547855, 5457426, 6297030, 8186139, 9095710, 13643565, 16372278, 27287130, 40930695, 81861390]

約数ペア:

[(1, 81861390), (2, 40930695), (3, 27287130), (5, 16372278), (6, 13643565), (9, 9095710), (10, 8186139), (13, 6297030), (15, 5457426), (18, 4547855), (26, 3148515), (30, 2728713), (31, 2640690), (37, 2212470), (39, 2099010), (45, 1819142), (61, 1341990), (62, 1320345), (65, 1259406), (74, 1106235), (78, 1049505), (90, 909571), (93, 880230), (111, 737490), (117, 699670), (122, 670995), (130, 629703), (155, 528138), (183, 447330), (185, 442494), (186, 440115), (195, 419802), (222, 368745), (234, 349835), (279, 293410), (305, 268398), (310, 264069), (333, 245830), (366, 223665), (370, 221247), (390, 209901), (403, 203130), (465, 176046), (481, 170190), (549, 149110), (555, 147498), (558, 146705), (585, 139934), (610, 134199), (666, 122915), (793, 103230), (806, 101565), (915, 89466), (930, 88023), (962, 85095), (1098, 74555), (1110, 73749), (1147, 71370), (1170, 69967), (1209, 67710), (1395, 58682), (1443, 56730), (1586, 51615), (1665, 49166), (1830, 44733), (1891, 43290), (2015, 40626), (2257, 36270), (2294, 35685), (2379, 34410), (2405, 34038), (2418, 33855), (2745, 29822), (2790, 29341), (2886, 28365), (3330, 24583), (3441, 23790), (3627, 22570), (3782, 21645), (3965, 20646), (4030, 20313), (4329, 18910), (4514, 18135), (4758, 17205), (4810, 17019), (5490, 14911), (5673, 14430), (5735, 14274), (6045, 13542), (6771, 12090), (6882, 11895), (7137, 11470), (7215, 11346), (7254, 11285), (7930, 10323), (8658, 9455)]