639367020

素因数分解:

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

素因数の和:766

約数の個数: 144

約数和(自身を含む): 2022602400

約数和(自身を除く): 1383235380

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, 293, 324, 405, 449, 486, 540, 586, 810, 879, 898, 972, 1172, 1215, 1347, 1465, 1620, 1758, 1796, 2245, 2430, 2637, 2694, 2930, 3516, 4041, 4395, 4490, 4860, 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, 71199, 72738, 79110, 80820, 94932, 109107, 118665, 121230, 131557, 142398, 145476, 158220, 181845, 218214, 237330, 242460, 263114, 284796, 355995, 363690, 394671, 436428, 474660, 526228, 545535, 657785, 711990, 727380, 789342, 1091070, 1184013, 1315570, 1423980, 1578684, 1973355, 2182140, 2368026, 2631140, 3552039, 3946710, 4736052, 5920065, 7104078, 7893420, 10656117, 11840130, 14208156, 17760195, 21312234, 23680260, 31968351, 35520390, 42624468, 53280585, 63936702, 71040780, 106561170, 127873404, 159841755, 213122340, 319683510, 639367020]

約数ペア:

[(1, 639367020), (2, 319683510), (3, 213122340), (4, 159841755), (5, 127873404), (6, 106561170), (9, 71040780), (10, 63936702), (12, 53280585), (15, 42624468), (18, 35520390), (20, 31968351), (27, 23680260), (30, 21312234), (36, 17760195), (45, 14208156), (54, 11840130), (60, 10656117), (81, 7893420), (90, 7104078), (108, 5920065), (135, 4736052), (162, 3946710), (180, 3552039), (243, 2631140), (270, 2368026), (293, 2182140), (324, 1973355), (405, 1578684), (449, 1423980), (486, 1315570), (540, 1184013), (586, 1091070), (810, 789342), (879, 727380), (898, 711990), (972, 657785), (1172, 545535), (1215, 526228), (1347, 474660), (1465, 436428), (1620, 394671), (1758, 363690), (1796, 355995), (2245, 284796), (2430, 263114), (2637, 242460), (2694, 237330), (2930, 218214), (3516, 181845), (4041, 158220), (4395, 145476), (4490, 142398), (4860, 131557), (5274, 121230), (5388, 118665), (5860, 109107), (6735, 94932), (7911, 80820), (8082, 79110), (8790, 72738), (8980, 71199), (10548, 60615), (12123, 52740), (13185, 48492), (13470, 47466), (15822, 40410), (16164, 39555), (17580, 36369), (20205, 31644), (23733, 26940), (24246, 26370)]