38399940

素因数分解:

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

素因数の和:171

約数の個数: 192

約数和(自身を含む): 130636800

約数和(自身を除く): 92236860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 47, 51, 54, 60, 68, 85, 89, 90, 94, 102, 108, 135, 141, 153, 170, 178, 180, 188, 204, 235, 255, 267, 270, 282, 306, 340, 356, 423, 445, 459, 470, 510, 534, 540, 564, 612, 705, 765, 799, 801, 846, 890, 918, 940, 1020, 1068, 1269, 1335, 1410, 1513, 1530, 1598, 1602, 1692, 1780, 1836, 2115, 2295, 2397, 2403, 2538, 2670, 2820, 3026, 3060, 3196, 3204, 3995, 4005, 4183, 4230, 4539, 4590, 4794, 4806, 5076, 5340, 6052, 6345, 7191, 7565, 7990, 8010, 8366, 8460, 9078, 9180, 9588, 9612, 11985, 12015, 12549, 12690, 13617, 14382, 15130, 15980, 16020, 16732, 18156, 20915, 21573, 22695, 23970, 24030, 25098, 25380, 27234, 28764, 30260, 35955, 37647, 40851, 41830, 43146, 45390, 47940, 48060, 50196, 54468, 62745, 68085, 71111, 71910, 75294, 81702, 83660, 86292, 90780, 107865, 112941, 125490, 136170, 142222, 143820, 150588, 163404, 188235, 204255, 213333, 215730, 225882, 250980, 272340, 284444, 355555, 376470, 408510, 426666, 431460, 451764, 564705, 639999, 711110, 752940, 817020, 853332, 1066665, 1129410, 1279998, 1422220, 1919997, 2133330, 2258820, 2559996, 3199995, 3839994, 4266660, 6399990, 7679988, 9599985, 12799980, 19199970, 38399940]

約数ペア:

[(1, 38399940), (2, 19199970), (3, 12799980), (4, 9599985), (5, 7679988), (6, 6399990), (9, 4266660), (10, 3839994), (12, 3199995), (15, 2559996), (17, 2258820), (18, 2133330), (20, 1919997), (27, 1422220), (30, 1279998), (34, 1129410), (36, 1066665), (45, 853332), (47, 817020), (51, 752940), (54, 711110), (60, 639999), (68, 564705), (85, 451764), (89, 431460), (90, 426666), (94, 408510), (102, 376470), (108, 355555), (135, 284444), (141, 272340), (153, 250980), (170, 225882), (178, 215730), (180, 213333), (188, 204255), (204, 188235), (235, 163404), (255, 150588), (267, 143820), (270, 142222), (282, 136170), (306, 125490), (340, 112941), (356, 107865), (423, 90780), (445, 86292), (459, 83660), (470, 81702), (510, 75294), (534, 71910), (540, 71111), (564, 68085), (612, 62745), (705, 54468), (765, 50196), (799, 48060), (801, 47940), (846, 45390), (890, 43146), (918, 41830), (940, 40851), (1020, 37647), (1068, 35955), (1269, 30260), (1335, 28764), (1410, 27234), (1513, 25380), (1530, 25098), (1598, 24030), (1602, 23970), (1692, 22695), (1780, 21573), (1836, 20915), (2115, 18156), (2295, 16732), (2397, 16020), (2403, 15980), (2538, 15130), (2670, 14382), (2820, 13617), (3026, 12690), (3060, 12549), (3196, 12015), (3204, 11985), (3995, 9612), (4005, 9588), (4183, 9180), (4230, 9078), (4539, 8460), (4590, 8366), (4794, 8010), (4806, 7990), (5076, 7565), (5340, 7191), (6052, 6345)]