213122340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:763

約数の個数: 120

約数和(自身を含む): 672348600

約数和(自身を除く): 459226260

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, 270, 293, 324, 405, 449, 540, 586, 810, 879, 898, 1172, 1347, 1465, 1620, 1758, 1796, 2245, 2637, 2694, 2930, 3516, 4041, 4395, 4490, 5274, 5388, 5860, 6735, 7911, 8082, 8790, 8980, 10548, 12123, 13185, 13470, 15822, 16164, 17580, 20205, 23733, 24246, 26370, 26940, 31644, 36369, 39555, 40410, 47466, 48492, 52740, 60615, 72738, 79110, 80820, 94932, 118665, 121230, 131557, 145476, 158220, 181845, 237330, 242460, 263114, 363690, 394671, 474660, 526228, 657785, 727380, 789342, 1184013, 1315570, 1578684, 1973355, 2368026, 2631140, 3552039, 3946710, 4736052, 5920065, 7104078, 7893420, 10656117, 11840130, 14208156, 17760195, 21312234, 23680260, 35520390, 42624468, 53280585, 71040780, 106561170, 213122340]

約数ペア:

[(1, 213122340), (2, 106561170), (3, 71040780), (4, 53280585), (5, 42624468), (6, 35520390), (9, 23680260), (10, 21312234), (12, 17760195), (15, 14208156), (18, 11840130), (20, 10656117), (27, 7893420), (30, 7104078), (36, 5920065), (45, 4736052), (54, 3946710), (60, 3552039), (81, 2631140), (90, 2368026), (108, 1973355), (135, 1578684), (162, 1315570), (180, 1184013), (270, 789342), (293, 727380), (324, 657785), (405, 526228), (449, 474660), (540, 394671), (586, 363690), (810, 263114), (879, 242460), (898, 237330), (1172, 181845), (1347, 158220), (1465, 145476), (1620, 131557), (1758, 121230), (1796, 118665), (2245, 94932), (2637, 80820), (2694, 79110), (2930, 72738), (3516, 60615), (4041, 52740), (4395, 48492), (4490, 47466), (5274, 40410), (5388, 39555), (5860, 36369), (6735, 31644), (7911, 26940), (8082, 26370), (8790, 24246), (8980, 23733), (10548, 20205), (12123, 17580), (13185, 16164), (13470, 15822)]