31003920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 180

約数和(自身を含む): 111348900

約数和(自身を除く): 80344980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 149, 153, 170, 180, 204, 240, 255, 272, 289, 298, 306, 340, 360, 408, 447, 510, 578, 596, 612, 680, 720, 745, 765, 816, 867, 894, 1020, 1156, 1192, 1224, 1341, 1360, 1445, 1490, 1530, 1734, 1788, 2040, 2235, 2312, 2384, 2448, 2533, 2601, 2682, 2890, 2980, 3060, 3468, 3576, 4080, 4335, 4470, 4624, 5066, 5202, 5364, 5780, 5960, 6120, 6705, 6936, 7152, 7599, 8670, 8940, 10132, 10404, 10728, 11560, 11920, 12240, 12665, 13005, 13410, 13872, 15198, 17340, 17880, 20264, 20808, 21456, 22797, 23120, 25330, 26010, 26820, 30396, 34680, 35760, 37995, 40528, 41616, 43061, 45594, 50660, 52020, 53640, 60792, 69360, 75990, 86122, 91188, 101320, 104040, 107280, 113985, 121584, 129183, 151980, 172244, 182376, 202640, 208080, 215305, 227970, 258366, 303960, 344488, 364752, 387549, 430610, 455940, 516732, 607920, 645915, 688976, 775098, 861220, 911880, 1033464, 1291830, 1550196, 1722440, 1823760, 1937745, 2066928, 2583660, 3100392, 3444880, 3875490, 5167320, 6200784, 7750980, 10334640, 15501960, 31003920]

約数ペア:

[(1, 31003920), (2, 15501960), (3, 10334640), (4, 7750980), (5, 6200784), (6, 5167320), (8, 3875490), (9, 3444880), (10, 3100392), (12, 2583660), (15, 2066928), (16, 1937745), (17, 1823760), (18, 1722440), (20, 1550196), (24, 1291830), (30, 1033464), (34, 911880), (36, 861220), (40, 775098), (45, 688976), (48, 645915), (51, 607920), (60, 516732), (68, 455940), (72, 430610), (80, 387549), (85, 364752), (90, 344488), (102, 303960), (120, 258366), (136, 227970), (144, 215305), (149, 208080), (153, 202640), (170, 182376), (180, 172244), (204, 151980), (240, 129183), (255, 121584), (272, 113985), (289, 107280), (298, 104040), (306, 101320), (340, 91188), (360, 86122), (408, 75990), (447, 69360), (510, 60792), (578, 53640), (596, 52020), (612, 50660), (680, 45594), (720, 43061), (745, 41616), (765, 40528), (816, 37995), (867, 35760), (894, 34680), (1020, 30396), (1156, 26820), (1192, 26010), (1224, 25330), (1341, 23120), (1360, 22797), (1445, 21456), (1490, 20808), (1530, 20264), (1734, 17880), (1788, 17340), (2040, 15198), (2235, 13872), (2312, 13410), (2384, 13005), (2448, 12665), (2533, 12240), (2601, 11920), (2682, 11560), (2890, 10728), (2980, 10404), (3060, 10132), (3468, 8940), (3576, 8670), (4080, 7599), (4335, 7152), (4470, 6936), (4624, 6705), (5066, 6120), (5202, 5960), (5364, 5780)]