71413020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 262944864

約数和(自身を除く): 191531844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 157, 171, 180, 190, 210, 228, 252, 266, 285, 314, 315, 342, 361, 380, 399, 420, 471, 532, 570, 628, 630, 665, 684, 722, 785, 798, 855, 942, 1083, 1099, 1140, 1197, 1260, 1330, 1413, 1444, 1570, 1596, 1710, 1805, 1884, 1995, 2166, 2198, 2355, 2394, 2527, 2660, 2826, 2983, 3140, 3249, 3297, 3420, 3610, 3990, 4332, 4396, 4710, 4788, 5054, 5415, 5495, 5652, 5966, 5985, 6498, 6594, 7065, 7220, 7581, 7980, 8949, 9420, 9891, 10108, 10830, 10990, 11932, 11970, 12635, 12996, 13188, 14130, 14915, 15162, 16245, 16485, 17898, 19782, 20881, 21660, 21980, 22743, 23940, 25270, 26847, 28260, 29830, 30324, 32490, 32970, 35796, 37905, 39564, 41762, 44745, 45486, 49455, 50540, 53694, 56677, 59660, 62643, 64980, 65940, 75810, 83524, 89490, 90972, 98910, 104405, 107388, 113354, 113715, 125286, 134235, 151620, 170031, 178980, 187929, 197820, 208810, 226708, 227430, 250572, 268470, 283385, 313215, 340062, 375858, 396739, 417620, 454860, 510093, 536940, 566770, 626430, 680124, 751716, 793478, 850155, 939645, 1020186, 1133540, 1190217, 1252860, 1586956, 1700310, 1879290, 1983695, 2040372, 2380434, 2550465, 3400620, 3570651, 3758580, 3967390, 4760868, 5100930, 5951085, 7141302, 7934780, 10201860, 11902170, 14282604, 17853255, 23804340, 35706510, 71413020]

約数ペア:

[(1, 71413020), (2, 35706510), (3, 23804340), (4, 17853255), (5, 14282604), (6, 11902170), (7, 10201860), (9, 7934780), (10, 7141302), (12, 5951085), (14, 5100930), (15, 4760868), (18, 3967390), (19, 3758580), (20, 3570651), (21, 3400620), (28, 2550465), (30, 2380434), (35, 2040372), (36, 1983695), (38, 1879290), (42, 1700310), (45, 1586956), (57, 1252860), (60, 1190217), (63, 1133540), (70, 1020186), (76, 939645), (84, 850155), (90, 793478), (95, 751716), (105, 680124), (114, 626430), (126, 566770), (133, 536940), (140, 510093), (157, 454860), (171, 417620), (180, 396739), (190, 375858), (210, 340062), (228, 313215), (252, 283385), (266, 268470), (285, 250572), (314, 227430), (315, 226708), (342, 208810), (361, 197820), (380, 187929), (399, 178980), (420, 170031), (471, 151620), (532, 134235), (570, 125286), (628, 113715), (630, 113354), (665, 107388), (684, 104405), (722, 98910), (785, 90972), (798, 89490), (855, 83524), (942, 75810), (1083, 65940), (1099, 64980), (1140, 62643), (1197, 59660), (1260, 56677), (1330, 53694), (1413, 50540), (1444, 49455), (1570, 45486), (1596, 44745), (1710, 41762), (1805, 39564), (1884, 37905), (1995, 35796), (2166, 32970), (2198, 32490), (2355, 30324), (2394, 29830), (2527, 28260), (2660, 26847), (2826, 25270), (2983, 23940), (3140, 22743), (3249, 21980), (3297, 21660), (3420, 20881), (3610, 19782), (3990, 17898), (4332, 16485), (4396, 16245), (4710, 15162), (4788, 14915), (5054, 14130), (5415, 13188), (5495, 12996), (5652, 12635), (5966, 11970), (5985, 11932), (6498, 10990), (6594, 10830), (7065, 10108), (7220, 9891), (7581, 9420), (7980, 8949)]