636121980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15991}}^1$

素因数の和:16036

約数の個数: 144

約数和(自身を含む): 2200371264

約数和(自身を除く): 1564249284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 15991, 19890, 31982, 39780, 47973, 63964, 79955, 95946, 143919, 159910, 191892, 207883, 239865, 271847, 287838, 319820, 415766, 479730, 543694, 575676, 623649, 719595, 815541, 831532, 959460, 1039415, 1087388, 1247298, 1359235, 1439190, 1631082, 1870947, 2078830, 2446623, 2494596, 2718470, 2878380, 3118245, 3262164, 3534011, 3741894, 4077705, 4157660, 4893246, 5436940, 6236490, 7068022, 7483788, 8155410, 9354735, 9786492, 10602033, 12233115, 12472980, 14136044, 16310820, 17670055, 18709470, 21204066, 24466230, 31806099, 35340110, 37418940, 42408132, 48932460, 53010165, 63612198, 70680220, 106020330, 127224396, 159030495, 212040660, 318060990, 636121980]

約数ペア:

[(1, 636121980), (2, 318060990), (3, 212040660), (4, 159030495), (5, 127224396), (6, 106020330), (9, 70680220), (10, 63612198), (12, 53010165), (13, 48932460), (15, 42408132), (17, 37418940), (18, 35340110), (20, 31806099), (26, 24466230), (30, 21204066), (34, 18709470), (36, 17670055), (39, 16310820), (45, 14136044), (51, 12472980), (52, 12233115), (60, 10602033), (65, 9786492), (68, 9354735), (78, 8155410), (85, 7483788), (90, 7068022), (102, 6236490), (117, 5436940), (130, 4893246), (153, 4157660), (156, 4077705), (170, 3741894), (180, 3534011), (195, 3262164), (204, 3118245), (221, 2878380), (234, 2718470), (255, 2494596), (260, 2446623), (306, 2078830), (340, 1870947), (390, 1631082), (442, 1439190), (468, 1359235), (510, 1247298), (585, 1087388), (612, 1039415), (663, 959460), (765, 831532), (780, 815541), (884, 719595), (1020, 623649), (1105, 575676), (1170, 543694), (1326, 479730), (1530, 415766), (1989, 319820), (2210, 287838), (2340, 271847), (2652, 239865), (3060, 207883), (3315, 191892), (3978, 159910), (4420, 143919), (6630, 95946), (7956, 79955), (9945, 63964), (13260, 47973), (15991, 39780), (19890, 31982)]