977220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 3046680

約数和(自身を除く): 2069460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 89, 90, 122, 178, 180, 183, 244, 267, 305, 356, 366, 445, 534, 549, 610, 732, 801, 890, 915, 1068, 1098, 1220, 1335, 1602, 1780, 1830, 2196, 2670, 2745, 3204, 3660, 4005, 5340, 5429, 5490, 8010, 10858, 10980, 16020, 16287, 21716, 27145, 32574, 48861, 54290, 65148, 81435, 97722, 108580, 162870, 195444, 244305, 325740, 488610, 977220]

約数ペア:

[(1, 977220), (2, 488610), (3, 325740), (4, 244305), (5, 195444), (6, 162870), (9, 108580), (10, 97722), (12, 81435), (15, 65148), (18, 54290), (20, 48861), (30, 32574), (36, 27145), (45, 21716), (60, 16287), (61, 16020), (89, 10980), (90, 10858), (122, 8010), (178, 5490), (180, 5429), (183, 5340), (244, 4005), (267, 3660), (305, 3204), (356, 2745), (366, 2670), (445, 2196), (534, 1830), (549, 1780), (610, 1602), (732, 1335), (801, 1220), (890, 1098), (915, 1068)]