19161720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 49578120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 101, 102, 120, 124, 136, 153, 155, 170, 180, 186, 202, 204, 248, 255, 279, 303, 306, 310, 340, 360, 372, 404, 408, 465, 505, 510, 527, 558, 606, 612, 620, 680, 744, 765, 808, 909, 930, 1010, 1020, 1054, 1116, 1212, 1224, 1240, 1395, 1515, 1530, 1581, 1717, 1818, 1860, 2020, 2040, 2108, 2232, 2424, 2635, 2790, 3030, 3060, 3131, 3162, 3434, 3636, 3720, 4040, 4216, 4545, 4743, 5151, 5270, 5580, 6060, 6120, 6262, 6324, 6868, 7272, 7905, 8585, 9090, 9393, 9486, 10302, 10540, 11160, 12120, 12524, 12648, 13736, 15453, 15655, 15810, 17170, 18180, 18786, 18972, 20604, 21080, 23715, 25048, 25755, 28179, 30906, 31310, 31620, 34340, 36360, 37572, 37944, 41208, 46965, 47430, 51510, 53227, 56358, 61812, 62620, 63240, 68680, 75144, 77265, 93930, 94860, 103020, 106454, 112716, 123624, 125240, 140895, 154530, 159681, 187860, 189720, 206040, 212908, 225432, 266135, 281790, 309060, 319362, 375720, 425816, 479043, 532270, 563580, 618120, 638724, 798405, 958086, 1064540, 1127160, 1277448, 1596810, 1916172, 2129080, 2395215, 3193620, 3832344, 4790430, 6387240, 9580860, 19161720]

約数ペア:

[(1, 19161720), (2, 9580860), (3, 6387240), (4, 4790430), (5, 3832344), (6, 3193620), (8, 2395215), (9, 2129080), (10, 1916172), (12, 1596810), (15, 1277448), (17, 1127160), (18, 1064540), (20, 958086), (24, 798405), (30, 638724), (31, 618120), (34, 563580), (36, 532270), (40, 479043), (45, 425816), (51, 375720), (60, 319362), (62, 309060), (68, 281790), (72, 266135), (85, 225432), (90, 212908), (93, 206040), (101, 189720), (102, 187860), (120, 159681), (124, 154530), (136, 140895), (153, 125240), (155, 123624), (170, 112716), (180, 106454), (186, 103020), (202, 94860), (204, 93930), (248, 77265), (255, 75144), (279, 68680), (303, 63240), (306, 62620), (310, 61812), (340, 56358), (360, 53227), (372, 51510), (404, 47430), (408, 46965), (465, 41208), (505, 37944), (510, 37572), (527, 36360), (558, 34340), (606, 31620), (612, 31310), (620, 30906), (680, 28179), (744, 25755), (765, 25048), (808, 23715), (909, 21080), (930, 20604), (1010, 18972), (1020, 18786), (1054, 18180), (1116, 17170), (1212, 15810), (1224, 15655), (1240, 15453), (1395, 13736), (1515, 12648), (1530, 12524), (1581, 12120), (1717, 11160), (1818, 10540), (1860, 10302), (2020, 9486), (2040, 9393), (2108, 9090), (2232, 8585), (2424, 7905), (2635, 7272), (2790, 6868), (3030, 6324), (3060, 6262), (3131, 6120), (3162, 6060), (3434, 5580), (3636, 5270), (3720, 5151), (4040, 4743), (4216, 4545)]