239743980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1448

約数の個数: 144

約数和(自身を含む): 837345600

約数和(自身を除く): 597601620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 420, 447, 596, 630, 745, 894, 1043, 1260, 1277, 1341, 1490, 1788, 2086, 2235, 2554, 2682, 2980, 3129, 3831, 4172, 4470, 5108, 5215, 5364, 6258, 6385, 6705, 7662, 8939, 8940, 9387, 10430, 11493, 12516, 12770, 13410, 15324, 15645, 17878, 18774, 19155, 20860, 22986, 25540, 26817, 26820, 31290, 35756, 37548, 38310, 44695, 45972, 46935, 53634, 57465, 62580, 76620, 80451, 89390, 93870, 107268, 114930, 134085, 160902, 178780, 187740, 190273, 229860, 268170, 321804, 380546, 402255, 536340, 570819, 761092, 804510, 951365, 1141638, 1331911, 1609020, 1712457, 1902730, 2283276, 2663822, 2854095, 3424914, 3805460, 3995733, 5327644, 5708190, 6659555, 6849828, 7991466, 8562285, 11416380, 11987199, 13319110, 15982932, 17124570, 19978665, 23974398, 26638220, 34249140, 39957330, 47948796, 59935995, 79914660, 119871990, 239743980]

約数ペア:

[(1, 239743980), (2, 119871990), (3, 79914660), (4, 59935995), (5, 47948796), (6, 39957330), (7, 34249140), (9, 26638220), (10, 23974398), (12, 19978665), (14, 17124570), (15, 15982932), (18, 13319110), (20, 11987199), (21, 11416380), (28, 8562285), (30, 7991466), (35, 6849828), (36, 6659555), (42, 5708190), (45, 5327644), (60, 3995733), (63, 3805460), (70, 3424914), (84, 2854095), (90, 2663822), (105, 2283276), (126, 1902730), (140, 1712457), (149, 1609020), (180, 1331911), (210, 1141638), (252, 951365), (298, 804510), (315, 761092), (420, 570819), (447, 536340), (596, 402255), (630, 380546), (745, 321804), (894, 268170), (1043, 229860), (1260, 190273), (1277, 187740), (1341, 178780), (1490, 160902), (1788, 134085), (2086, 114930), (2235, 107268), (2554, 93870), (2682, 89390), (2980, 80451), (3129, 76620), (3831, 62580), (4172, 57465), (4470, 53634), (5108, 46935), (5215, 45972), (5364, 44695), (6258, 38310), (6385, 37548), (6705, 35756), (7662, 31290), (8939, 26820), (8940, 26817), (9387, 25540), (10430, 22986), (11493, 20860), (12516, 19155), (12770, 18774), (13410, 17878), (15324, 15645)]