31648680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 192

約数和(自身を含む): 123926400

約数和(自身を除く): 92277720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 661, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1322, 1330, 1368, 1596, 1710, 1983, 1995, 2280, 2394, 2520, 2644, 2660, 3192, 3305, 3420, 3966, 3990, 4627, 4788, 5288, 5320, 5949, 5985, 6610, 6840, 7932, 7980, 9254, 9576, 9915, 11898, 11970, 12559, 13220, 13881, 15864, 15960, 18508, 19830, 23135, 23796, 23940, 25118, 26440, 27762, 29745, 37016, 37677, 39660, 41643, 46270, 47592, 47880, 50236, 55524, 59490, 62795, 69405, 75354, 79320, 83286, 87913, 92540, 100472, 111048, 113031, 118980, 125590, 138810, 150708, 166572, 175826, 185080, 188385, 208215, 226062, 237960, 251180, 263739, 277620, 301416, 333144, 351652, 376770, 416430, 439565, 452124, 502360, 527478, 555240, 565155, 703304, 753540, 791217, 832860, 879130, 904248, 1054956, 1130310, 1318695, 1507080, 1582434, 1665720, 1758260, 2109912, 2260620, 2637390, 3164868, 3516520, 3956085, 4521240, 5274780, 6329736, 7912170, 10549560, 15824340, 31648680]

約数ペア:

[(1, 31648680), (2, 15824340), (3, 10549560), (4, 7912170), (5, 6329736), (6, 5274780), (7, 4521240), (8, 3956085), (9, 3516520), (10, 3164868), (12, 2637390), (14, 2260620), (15, 2109912), (18, 1758260), (19, 1665720), (20, 1582434), (21, 1507080), (24, 1318695), (28, 1130310), (30, 1054956), (35, 904248), (36, 879130), (38, 832860), (40, 791217), (42, 753540), (45, 703304), (56, 565155), (57, 555240), (60, 527478), (63, 502360), (70, 452124), (72, 439565), (76, 416430), (84, 376770), (90, 351652), (95, 333144), (105, 301416), (114, 277620), (120, 263739), (126, 251180), (133, 237960), (140, 226062), (152, 208215), (168, 188385), (171, 185080), (180, 175826), (190, 166572), (210, 150708), (228, 138810), (252, 125590), (266, 118980), (280, 113031), (285, 111048), (315, 100472), (342, 92540), (360, 87913), (380, 83286), (399, 79320), (420, 75354), (456, 69405), (504, 62795), (532, 59490), (570, 55524), (630, 50236), (661, 47880), (665, 47592), (684, 46270), (760, 41643), (798, 39660), (840, 37677), (855, 37016), (1064, 29745), (1140, 27762), (1197, 26440), (1260, 25118), (1322, 23940), (1330, 23796), (1368, 23135), (1596, 19830), (1710, 18508), (1983, 15960), (1995, 15864), (2280, 13881), (2394, 13220), (2520, 12559), (2644, 11970), (2660, 11898), (3192, 9915), (3305, 9576), (3420, 9254), (3966, 7980), (3990, 7932), (4627, 6840), (4788, 6610), (5288, 5985), (5320, 5949)]