12799980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 42456960

約数和(自身を除く): 29656980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 89, 90, 94, 102, 141, 153, 170, 178, 180, 188, 204, 235, 255, 267, 282, 306, 340, 356, 423, 445, 470, 510, 534, 564, 612, 705, 765, 799, 801, 846, 890, 940, 1020, 1068, 1335, 1410, 1513, 1530, 1598, 1602, 1692, 1780, 2115, 2397, 2670, 2820, 3026, 3060, 3196, 3204, 3995, 4005, 4183, 4230, 4539, 4794, 5340, 6052, 7191, 7565, 7990, 8010, 8366, 8460, 9078, 9588, 11985, 12549, 13617, 14382, 15130, 15980, 16020, 16732, 18156, 20915, 22695, 23970, 25098, 27234, 28764, 30260, 35955, 37647, 41830, 45390, 47940, 50196, 54468, 62745, 68085, 71111, 71910, 75294, 83660, 90780, 125490, 136170, 142222, 143820, 150588, 188235, 213333, 250980, 272340, 284444, 355555, 376470, 426666, 639999, 711110, 752940, 853332, 1066665, 1279998, 1422220, 2133330, 2559996, 3199995, 4266660, 6399990, 12799980]

約数ペア:

[(1, 12799980), (2, 6399990), (3, 4266660), (4, 3199995), (5, 2559996), (6, 2133330), (9, 1422220), (10, 1279998), (12, 1066665), (15, 853332), (17, 752940), (18, 711110), (20, 639999), (30, 426666), (34, 376470), (36, 355555), (45, 284444), (47, 272340), (51, 250980), (60, 213333), (68, 188235), (85, 150588), (89, 143820), (90, 142222), (94, 136170), (102, 125490), (141, 90780), (153, 83660), (170, 75294), (178, 71910), (180, 71111), (188, 68085), (204, 62745), (235, 54468), (255, 50196), (267, 47940), (282, 45390), (306, 41830), (340, 37647), (356, 35955), (423, 30260), (445, 28764), (470, 27234), (510, 25098), (534, 23970), (564, 22695), (612, 20915), (705, 18156), (765, 16732), (799, 16020), (801, 15980), (846, 15130), (890, 14382), (940, 13617), (1020, 12549), (1068, 11985), (1335, 9588), (1410, 9078), (1513, 8460), (1530, 8366), (1598, 8010), (1602, 7990), (1692, 7565), (1780, 7191), (2115, 6052), (2397, 5340), (2670, 4794), (2820, 4539), (3026, 4230), (3060, 4183), (3196, 4005), (3204, 3995)]