78930180

素因数分解:

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

素因数の和:208

約数の個数: 288

約数和(自身を含む): 302601600

約数和(自身を除く): 223671420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 157, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 314, 315, 342, 378, 380, 399, 420, 441, 471, 490, 513, 532, 540, 570, 588, 628, 630, 665, 684, 735, 756, 785, 798, 855, 882, 931, 942, 945, 980, 1026, 1099, 1140, 1197, 1260, 1323, 1330, 1413, 1470, 1570, 1596, 1710, 1764, 1862, 1884, 1890, 1995, 2052, 2198, 2205, 2355, 2394, 2565, 2646, 2660, 2793, 2826, 2940, 2983, 3140, 3297, 3420, 3591, 3724, 3780, 3990, 4239, 4396, 4410, 4655, 4710, 4788, 5130, 5292, 5495, 5586, 5652, 5966, 5985, 6594, 6615, 7065, 7182, 7693, 7980, 8379, 8478, 8820, 8949, 9310, 9420, 9891, 10260, 10990, 11172, 11932, 11970, 13188, 13230, 13965, 14130, 14364, 14915, 15386, 16485, 16758, 16956, 17898, 17955, 18620, 19782, 20881, 21195, 21980, 23079, 23940, 25137, 26460, 26847, 27930, 28260, 29673, 29830, 30772, 32970, 33516, 35796, 35910, 38465, 39564, 41762, 41895, 42390, 44745, 46158, 49455, 50274, 53694, 55860, 59346, 59660, 62643, 65940, 69237, 71820, 76930, 80541, 83524, 83790, 84780, 89490, 92316, 98910, 100548, 104405, 107388, 115395, 118692, 125286, 125685, 134235, 138474, 146167, 148365, 153860, 161082, 167580, 178980, 187929, 197820, 207711, 208810, 230790, 250572, 251370, 268470, 276948, 292334, 296730, 313215, 322164, 346185, 375858, 402705, 415422, 417620, 438501, 461580, 502740, 536940, 563787, 584668, 593460, 626430, 692370, 730835, 751716, 805410, 830844, 877002, 939645, 1038555, 1127574, 1252860, 1315503, 1384740, 1461670, 1610820, 1754004, 1879290, 2077110, 2192505, 2255148, 2631006, 2818935, 2923340, 3758580, 3946509, 4154220, 4385010, 5262012, 5637870, 6577515, 7893018, 8770020, 11275740, 13155030, 15786036, 19732545, 26310060, 39465090, 78930180]

約数ペア:

[(1, 78930180), (2, 39465090), (3, 26310060), (4, 19732545), (5, 15786036), (6, 13155030), (7, 11275740), (9, 8770020), (10, 7893018), (12, 6577515), (14, 5637870), (15, 5262012), (18, 4385010), (19, 4154220), (20, 3946509), (21, 3758580), (27, 2923340), (28, 2818935), (30, 2631006), (35, 2255148), (36, 2192505), (38, 2077110), (42, 1879290), (45, 1754004), (49, 1610820), (54, 1461670), (57, 1384740), (60, 1315503), (63, 1252860), (70, 1127574), (76, 1038555), (84, 939645), (90, 877002), (95, 830844), (98, 805410), (105, 751716), (108, 730835), (114, 692370), (126, 626430), (133, 593460), (135, 584668), (140, 563787), (147, 536940), (157, 502740), (171, 461580), (180, 438501), (189, 417620), (190, 415422), (196, 402705), (210, 375858), (228, 346185), (245, 322164), (252, 313215), (266, 296730), (270, 292334), (285, 276948), (294, 268470), (314, 251370), (315, 250572), (342, 230790), (378, 208810), (380, 207711), (399, 197820), (420, 187929), (441, 178980), (471, 167580), (490, 161082), (513, 153860), (532, 148365), (540, 146167), (570, 138474), (588, 134235), (628, 125685), (630, 125286), (665, 118692), (684, 115395), (735, 107388), (756, 104405), (785, 100548), (798, 98910), (855, 92316), (882, 89490), (931, 84780), (942, 83790), (945, 83524), (980, 80541), (1026, 76930), (1099, 71820), (1140, 69237), (1197, 65940), (1260, 62643), (1323, 59660), (1330, 59346), (1413, 55860), (1470, 53694), (1570, 50274), (1596, 49455), (1710, 46158), (1764, 44745), (1862, 42390), (1884, 41895), (1890, 41762), (1995, 39564), (2052, 38465), (2198, 35910), (2205, 35796), (2355, 33516), (2394, 32970), (2565, 30772), (2646, 29830), (2660, 29673), (2793, 28260), (2826, 27930), (2940, 26847), (2983, 26460), (3140, 25137), (3297, 23940), (3420, 23079), (3591, 21980), (3724, 21195), (3780, 20881), (3990, 19782), (4239, 18620), (4396, 17955), (4410, 17898), (4655, 16956), (4710, 16758), (4788, 16485), (5130, 15386), (5292, 14915), (5495, 14364), (5586, 14130), (5652, 13965), (5966, 13230), (5985, 13188), (6594, 11970), (6615, 11932), (7065, 11172), (7182, 10990), (7693, 10260), (7980, 9891), (8379, 9420), (8478, 9310), (8820, 8949)]