2098620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 6486480

約数和(自身を除く): 4387860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 131, 178, 180, 262, 267, 356, 393, 445, 524, 534, 655, 786, 801, 890, 1068, 1179, 1310, 1335, 1572, 1602, 1780, 1965, 2358, 2620, 2670, 3204, 3930, 4005, 4716, 5340, 5895, 7860, 8010, 11659, 11790, 16020, 23318, 23580, 34977, 46636, 58295, 69954, 104931, 116590, 139908, 174885, 209862, 233180, 349770, 419724, 524655, 699540, 1049310, 2098620]

約数ペア:

[(1, 2098620), (2, 1049310), (3, 699540), (4, 524655), (5, 419724), (6, 349770), (9, 233180), (10, 209862), (12, 174885), (15, 139908), (18, 116590), (20, 104931), (30, 69954), (36, 58295), (45, 46636), (60, 34977), (89, 23580), (90, 23318), (131, 16020), (178, 11790), (180, 11659), (262, 8010), (267, 7860), (356, 5895), (393, 5340), (445, 4716), (524, 4005), (534, 3930), (655, 3204), (786, 2670), (801, 2620), (890, 2358), (1068, 1965), (1179, 1780), (1310, 1602), (1335, 1572)]