128119140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 415724400

約数和(自身を除く): 287605260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 153, 170, 180, 204, 255, 281, 298, 306, 340, 447, 510, 562, 596, 612, 745, 765, 843, 894, 1020, 1124, 1341, 1405, 1490, 1530, 1686, 1788, 2235, 2529, 2533, 2682, 2810, 2980, 3060, 3372, 4215, 4470, 4777, 5058, 5066, 5364, 5620, 6705, 7599, 8430, 8940, 9554, 10116, 10132, 12645, 12665, 13410, 14331, 15198, 16860, 19108, 22797, 23885, 25290, 25330, 26820, 28662, 30396, 37995, 41869, 42993, 45594, 47770, 50580, 50660, 57324, 71655, 75990, 83738, 85986, 91188, 95540, 113985, 125607, 143310, 151980, 167476, 171972, 209345, 214965, 227970, 251214, 286620, 376821, 418690, 429930, 455940, 502428, 628035, 711773, 753642, 837380, 859860, 1256070, 1423546, 1507284, 1884105, 2135319, 2512140, 2847092, 3558865, 3768210, 4270638, 6405957, 7117730, 7536420, 8541276, 10676595, 12811914, 14235460, 21353190, 25623828, 32029785, 42706380, 64059570, 128119140]

約数ペア:

[(1, 128119140), (2, 64059570), (3, 42706380), (4, 32029785), (5, 25623828), (6, 21353190), (9, 14235460), (10, 12811914), (12, 10676595), (15, 8541276), (17, 7536420), (18, 7117730), (20, 6405957), (30, 4270638), (34, 3768210), (36, 3558865), (45, 2847092), (51, 2512140), (60, 2135319), (68, 1884105), (85, 1507284), (90, 1423546), (102, 1256070), (149, 859860), (153, 837380), (170, 753642), (180, 711773), (204, 628035), (255, 502428), (281, 455940), (298, 429930), (306, 418690), (340, 376821), (447, 286620), (510, 251214), (562, 227970), (596, 214965), (612, 209345), (745, 171972), (765, 167476), (843, 151980), (894, 143310), (1020, 125607), (1124, 113985), (1341, 95540), (1405, 91188), (1490, 85986), (1530, 83738), (1686, 75990), (1788, 71655), (2235, 57324), (2529, 50660), (2533, 50580), (2682, 47770), (2810, 45594), (2980, 42993), (3060, 41869), (3372, 37995), (4215, 30396), (4470, 28662), (4777, 26820), (5058, 25330), (5066, 25290), (5364, 23885), (5620, 22797), (6705, 19108), (7599, 16860), (8430, 15198), (8940, 14331), (9554, 13410), (10116, 12665), (10132, 12645)]