31259940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 96

約数和(自身を含む): 97614720

約数和(自身を除く): 66354780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1613, 1615, 1938, 3226, 3230, 3876, 4839, 4845, 6452, 6460, 8065, 9678, 9690, 16130, 19356, 19380, 24195, 27421, 30647, 32260, 48390, 54842, 61294, 82263, 91941, 96780, 109684, 122588, 137105, 153235, 164526, 183882, 274210, 306470, 329052, 367764, 411315, 459705, 520999, 548420, 612940, 822630, 919410, 1041998, 1562997, 1645260, 1838820, 2083996, 2604995, 3125994, 5209990, 6251988, 7814985, 10419980, 15629970, 31259940]

約数ペア:

[(1, 31259940), (2, 15629970), (3, 10419980), (4, 7814985), (5, 6251988), (6, 5209990), (10, 3125994), (12, 2604995), (15, 2083996), (17, 1838820), (19, 1645260), (20, 1562997), (30, 1041998), (34, 919410), (38, 822630), (51, 612940), (57, 548420), (60, 520999), (68, 459705), (76, 411315), (85, 367764), (95, 329052), (102, 306470), (114, 274210), (170, 183882), (190, 164526), (204, 153235), (228, 137105), (255, 122588), (285, 109684), (323, 96780), (340, 91941), (380, 82263), (510, 61294), (570, 54842), (646, 48390), (969, 32260), (1020, 30647), (1140, 27421), (1292, 24195), (1613, 19380), (1615, 19356), (1938, 16130), (3226, 9690), (3230, 9678), (3876, 8065), (4839, 6460), (4845, 6452)]