320580540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1961

約数の個数: 216

約数和(自身を含む): 1191350160

約数和(自身を除く): 870769620

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, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1913, 1995, 2205, 2394, 2660, 2793, 2940, 3420, 3724, 3826, 3990, 4410, 4655, 4788, 5586, 5739, 5985, 7652, 7980, 8379, 8820, 9310, 9565, 11172, 11478, 11970, 13391, 13965, 16758, 17217, 18620, 19130, 22956, 23940, 26782, 27930, 28695, 33516, 34434, 36347, 38260, 40173, 41895, 53564, 55860, 57390, 66955, 68868, 72694, 80346, 83790, 86085, 93737, 109041, 114780, 120519, 133910, 145388, 160692, 167580, 172170, 181735, 187474, 200865, 218082, 241038, 254429, 267820, 281211, 327123, 344340, 363470, 374948, 401730, 436164, 468685, 482076, 508858, 545205, 562422, 602595, 654246, 726940, 763287, 803460, 843633, 937370, 1017716, 1090410, 1124844, 1205190, 1272145, 1308492, 1406055, 1526574, 1635615, 1687266, 1781003, 1874740, 2180820, 2289861, 2410380, 2544290, 2812110, 3053148, 3271230, 3374532, 3562006, 3816435, 4218165, 4579722, 5088580, 5343009, 5624220, 6542460, 7124012, 7632870, 8436330, 8905015, 9159444, 10686018, 11449305, 15265740, 16029027, 16872660, 17810030, 21372036, 22898610, 26715045, 32058054, 35620060, 45797220, 53430090, 64116108, 80145135, 106860180, 160290270, 320580540]

約数ペア:

[(1, 320580540), (2, 160290270), (3, 106860180), (4, 80145135), (5, 64116108), (6, 53430090), (7, 45797220), (9, 35620060), (10, 32058054), (12, 26715045), (14, 22898610), (15, 21372036), (18, 17810030), (19, 16872660), (20, 16029027), (21, 15265740), (28, 11449305), (30, 10686018), (35, 9159444), (36, 8905015), (38, 8436330), (42, 7632870), (45, 7124012), (49, 6542460), (57, 5624220), (60, 5343009), (63, 5088580), (70, 4579722), (76, 4218165), (84, 3816435), (90, 3562006), (95, 3374532), (98, 3271230), (105, 3053148), (114, 2812110), (126, 2544290), (133, 2410380), (140, 2289861), (147, 2180820), (171, 1874740), (180, 1781003), (190, 1687266), (196, 1635615), (210, 1526574), (228, 1406055), (245, 1308492), (252, 1272145), (266, 1205190), (285, 1124844), (294, 1090410), (315, 1017716), (342, 937370), (380, 843633), (399, 803460), (420, 763287), (441, 726940), (490, 654246), (532, 602595), (570, 562422), (588, 545205), (630, 508858), (665, 482076), (684, 468685), (735, 436164), (798, 401730), (855, 374948), (882, 363470), (931, 344340), (980, 327123), (1140, 281211), (1197, 267820), (1260, 254429), (1330, 241038), (1470, 218082), (1596, 200865), (1710, 187474), (1764, 181735), (1862, 172170), (1913, 167580), (1995, 160692), (2205, 145388), (2394, 133910), (2660, 120519), (2793, 114780), (2940, 109041), (3420, 93737), (3724, 86085), (3826, 83790), (3990, 80346), (4410, 72694), (4655, 68868), (4788, 66955), (5586, 57390), (5739, 55860), (5985, 53564), (7652, 41895), (7980, 40173), (8379, 38260), (8820, 36347), (9310, 34434), (9565, 33516), (11172, 28695), (11478, 27930), (11970, 26782), (13391, 23940), (13965, 22956), (16758, 19130), (17217, 18620)]