678645540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:784

約数の個数: 144

約数和(自身を含む): 2146435200

約数和(自身を除く): 1467789660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 311, 324, 405, 449, 486, 540, 622, 810, 898, 933, 972, 1215, 1244, 1347, 1555, 1620, 1796, 1866, 2245, 2430, 2694, 2799, 3110, 3732, 4041, 4490, 4665, 4860, 5388, 5598, 6220, 6735, 8082, 8397, 8980, 9330, 11196, 12123, 13470, 13995, 16164, 16794, 18660, 20205, 24246, 25191, 26940, 27990, 33588, 36369, 40410, 41985, 48492, 50382, 55980, 60615, 72738, 75573, 80820, 83970, 100764, 109107, 121230, 125955, 139639, 145476, 151146, 167940, 181845, 218214, 242460, 251910, 279278, 302292, 363690, 377865, 418917, 436428, 503820, 545535, 558556, 698195, 727380, 755730, 837834, 1091070, 1256751, 1396390, 1511460, 1675668, 2094585, 2182140, 2513502, 2792780, 3770253, 4189170, 5027004, 6283755, 7540506, 8378340, 11310759, 12567510, 15081012, 18851265, 22621518, 25135020, 33932277, 37702530, 45243036, 56553795, 67864554, 75405060, 113107590, 135729108, 169661385, 226215180, 339322770, 678645540]

約数ペア:

[(1, 678645540), (2, 339322770), (3, 226215180), (4, 169661385), (5, 135729108), (6, 113107590), (9, 75405060), (10, 67864554), (12, 56553795), (15, 45243036), (18, 37702530), (20, 33932277), (27, 25135020), (30, 22621518), (36, 18851265), (45, 15081012), (54, 12567510), (60, 11310759), (81, 8378340), (90, 7540506), (108, 6283755), (135, 5027004), (162, 4189170), (180, 3770253), (243, 2792780), (270, 2513502), (311, 2182140), (324, 2094585), (405, 1675668), (449, 1511460), (486, 1396390), (540, 1256751), (622, 1091070), (810, 837834), (898, 755730), (933, 727380), (972, 698195), (1215, 558556), (1244, 545535), (1347, 503820), (1555, 436428), (1620, 418917), (1796, 377865), (1866, 363690), (2245, 302292), (2430, 279278), (2694, 251910), (2799, 242460), (3110, 218214), (3732, 181845), (4041, 167940), (4490, 151146), (4665, 145476), (4860, 139639), (5388, 125955), (5598, 121230), (6220, 109107), (6735, 100764), (8082, 83970), (8397, 80820), (8980, 75573), (9330, 72738), (11196, 60615), (12123, 55980), (13470, 50382), (13995, 48492), (16164, 41985), (16794, 40410), (18660, 36369), (20205, 33588), (24246, 27990), (25191, 26940)]