42402420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 192

約数和(自身を含む): 145152000

約数和(自身を除く): 102749580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 149, 153, 155, 170, 180, 186, 204, 255, 270, 279, 298, 306, 310, 340, 372, 447, 459, 465, 510, 527, 540, 558, 596, 612, 620, 745, 765, 837, 894, 918, 930, 1020, 1054, 1116, 1341, 1395, 1490, 1530, 1581, 1674, 1788, 1836, 1860, 2108, 2235, 2295, 2533, 2635, 2682, 2790, 2980, 3060, 3162, 3348, 4023, 4185, 4470, 4590, 4619, 4743, 5066, 5270, 5364, 5580, 6324, 6705, 7599, 7905, 8046, 8370, 8940, 9180, 9238, 9486, 10132, 10540, 12665, 13410, 13857, 14229, 15198, 15810, 16092, 16740, 18476, 18972, 20115, 22797, 23095, 23715, 25330, 26820, 27714, 28458, 30396, 31620, 37995, 40230, 41571, 45594, 46190, 47430, 50660, 55428, 56916, 68391, 69285, 71145, 75990, 78523, 80460, 83142, 91188, 92380, 94860, 113985, 124713, 136782, 138570, 142290, 151980, 157046, 166284, 207855, 227970, 235569, 249426, 273564, 277140, 284580, 314092, 341955, 392615, 415710, 455940, 471138, 498852, 623565, 683910, 706707, 785230, 831420, 942276, 1177845, 1247130, 1367820, 1413414, 1570460, 2120121, 2355690, 2494260, 2826828, 3533535, 4240242, 4711380, 7067070, 8480484, 10600605, 14134140, 21201210, 42402420]

約数ペア:

[(1, 42402420), (2, 21201210), (3, 14134140), (4, 10600605), (5, 8480484), (6, 7067070), (9, 4711380), (10, 4240242), (12, 3533535), (15, 2826828), (17, 2494260), (18, 2355690), (20, 2120121), (27, 1570460), (30, 1413414), (31, 1367820), (34, 1247130), (36, 1177845), (45, 942276), (51, 831420), (54, 785230), (60, 706707), (62, 683910), (68, 623565), (85, 498852), (90, 471138), (93, 455940), (102, 415710), (108, 392615), (124, 341955), (135, 314092), (149, 284580), (153, 277140), (155, 273564), (170, 249426), (180, 235569), (186, 227970), (204, 207855), (255, 166284), (270, 157046), (279, 151980), (298, 142290), (306, 138570), (310, 136782), (340, 124713), (372, 113985), (447, 94860), (459, 92380), (465, 91188), (510, 83142), (527, 80460), (540, 78523), (558, 75990), (596, 71145), (612, 69285), (620, 68391), (745, 56916), (765, 55428), (837, 50660), (894, 47430), (918, 46190), (930, 45594), (1020, 41571), (1054, 40230), (1116, 37995), (1341, 31620), (1395, 30396), (1490, 28458), (1530, 27714), (1581, 26820), (1674, 25330), (1788, 23715), (1836, 23095), (1860, 22797), (2108, 20115), (2235, 18972), (2295, 18476), (2533, 16740), (2635, 16092), (2682, 15810), (2790, 15198), (2980, 14229), (3060, 13857), (3162, 13410), (3348, 12665), (4023, 10540), (4185, 10132), (4470, 9486), (4590, 9238), (4619, 9180), (4743, 8940), (5066, 8370), (5270, 8046), (5364, 7905), (5580, 7599), (6324, 6705)]