31405290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 96215040

約数和(自身を除く): 64809750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 30, 34, 35, 38, 42, 51, 57, 70, 85, 95, 102, 105, 114, 119, 133, 170, 190, 210, 238, 255, 266, 285, 323, 357, 399, 463, 510, 570, 595, 646, 665, 714, 798, 926, 969, 1190, 1330, 1389, 1615, 1785, 1938, 1995, 2261, 2315, 2778, 3230, 3241, 3570, 3990, 4522, 4630, 4845, 6482, 6783, 6945, 7871, 8797, 9690, 9723, 11305, 13566, 13890, 15742, 16205, 17594, 19446, 22610, 23613, 26391, 32410, 33915, 39355, 43985, 47226, 48615, 52782, 55097, 61579, 67830, 78710, 87970, 97230, 110194, 118065, 123158, 131955, 149549, 165291, 184737, 236130, 263910, 275485, 299098, 307895, 330582, 369474, 448647, 550970, 615790, 747745, 826455, 897294, 923685, 1046843, 1495490, 1652910, 1847370, 2093686, 2243235, 3140529, 4486470, 5234215, 6281058, 10468430, 15702645, 31405290]

約数ペア:

[(1, 31405290), (2, 15702645), (3, 10468430), (5, 6281058), (6, 5234215), (7, 4486470), (10, 3140529), (14, 2243235), (15, 2093686), (17, 1847370), (19, 1652910), (21, 1495490), (30, 1046843), (34, 923685), (35, 897294), (38, 826455), (42, 747745), (51, 615790), (57, 550970), (70, 448647), (85, 369474), (95, 330582), (102, 307895), (105, 299098), (114, 275485), (119, 263910), (133, 236130), (170, 184737), (190, 165291), (210, 149549), (238, 131955), (255, 123158), (266, 118065), (285, 110194), (323, 97230), (357, 87970), (399, 78710), (463, 67830), (510, 61579), (570, 55097), (595, 52782), (646, 48615), (665, 47226), (714, 43985), (798, 39355), (926, 33915), (969, 32410), (1190, 26391), (1330, 23613), (1389, 22610), (1615, 19446), (1785, 17594), (1938, 16205), (1995, 15742), (2261, 13890), (2315, 13566), (2778, 11305), (3230, 9723), (3241, 9690), (3570, 8797), (3990, 7871), (4522, 6945), (4630, 6783), (4845, 6482)]