81357570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1560

約数の個数: 96

約数和(自身を含む): 244632960

約数和(自身を除く): 163275390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 445, 534, 623, 630, 801, 890, 1246, 1335, 1451, 1602, 1869, 2670, 2902, 3115, 3738, 4005, 4353, 5607, 6230, 7255, 8010, 8706, 9345, 10157, 11214, 13059, 14510, 18690, 20314, 21765, 26118, 28035, 30471, 43530, 50785, 56070, 60942, 65295, 91413, 101570, 129139, 130590, 152355, 182826, 258278, 304710, 387417, 457065, 645695, 774834, 903973, 914130, 1162251, 1291390, 1807946, 1937085, 2324502, 2711919, 3874170, 4519865, 5423838, 5811255, 8135757, 9039730, 11622510, 13559595, 16271514, 27119190, 40678785, 81357570]

約数ペア:

[(1, 81357570), (2, 40678785), (3, 27119190), (5, 16271514), (6, 13559595), (7, 11622510), (9, 9039730), (10, 8135757), (14, 5811255), (15, 5423838), (18, 4519865), (21, 3874170), (30, 2711919), (35, 2324502), (42, 1937085), (45, 1807946), (63, 1291390), (70, 1162251), (89, 914130), (90, 903973), (105, 774834), (126, 645695), (178, 457065), (210, 387417), (267, 304710), (315, 258278), (445, 182826), (534, 152355), (623, 130590), (630, 129139), (801, 101570), (890, 91413), (1246, 65295), (1335, 60942), (1451, 56070), (1602, 50785), (1869, 43530), (2670, 30471), (2902, 28035), (3115, 26118), (3738, 21765), (4005, 20314), (4353, 18690), (5607, 14510), (6230, 13059), (7255, 11214), (8010, 10157), (8706, 9345)]