2515140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 7764120

約数和(自身を除く): 5248980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 157, 178, 180, 267, 314, 356, 445, 471, 534, 628, 785, 801, 890, 942, 1068, 1335, 1413, 1570, 1602, 1780, 1884, 2355, 2670, 2826, 3140, 3204, 4005, 4710, 5340, 5652, 7065, 8010, 9420, 13973, 14130, 16020, 27946, 28260, 41919, 55892, 69865, 83838, 125757, 139730, 167676, 209595, 251514, 279460, 419190, 503028, 628785, 838380, 1257570, 2515140]

約数ペア:

[(1, 2515140), (2, 1257570), (3, 838380), (4, 628785), (5, 503028), (6, 419190), (9, 279460), (10, 251514), (12, 209595), (15, 167676), (18, 139730), (20, 125757), (30, 83838), (36, 69865), (45, 55892), (60, 41919), (89, 28260), (90, 27946), (157, 16020), (178, 14130), (180, 13973), (267, 9420), (314, 8010), (356, 7065), (445, 5652), (471, 5340), (534, 4710), (628, 4005), (785, 3204), (801, 3140), (890, 2826), (942, 2670), (1068, 2355), (1335, 1884), (1413, 1780), (1570, 1602)]