131885460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:835

約数の個数: 216

約数和(自身を含む): 490482720

約数和(自身を除く): 358597260

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, 787, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1574, 1596, 1710, 1764, 1862, 1995, 2205, 2361, 2394, 2660, 2793, 2940, 3148, 3420, 3724, 3935, 3990, 4410, 4655, 4722, 4788, 5509, 5586, 5985, 7083, 7870, 7980, 8379, 8820, 9310, 9444, 11018, 11172, 11805, 11970, 13965, 14166, 14953, 15740, 16527, 16758, 18620, 22036, 23610, 23940, 27545, 27930, 28332, 29906, 33054, 33516, 35415, 38563, 41895, 44859, 47220, 49581, 55090, 55860, 59812, 66108, 70830, 74765, 77126, 82635, 83790, 89718, 99162, 104671, 110180, 115689, 134577, 141660, 149530, 154252, 165270, 167580, 179436, 192815, 198324, 209342, 224295, 231378, 247905, 269154, 299060, 314013, 330540, 347067, 385630, 418684, 448590, 462756, 495810, 523355, 538308, 578445, 628026, 672885, 694134, 732697, 771260, 897180, 942039, 991620, 1046710, 1156890, 1256052, 1345770, 1388268, 1465394, 1570065, 1735335, 1884078, 2093420, 2198091, 2313780, 2691540, 2930788, 3140130, 3470670, 3663485, 3768156, 4396182, 4710195, 6280260, 6594273, 6941340, 7326970, 8792364, 9420390, 10990455, 13188546, 14653940, 18840780, 21980910, 26377092, 32971365, 43961820, 65942730, 131885460]

約数ペア:

[(1, 131885460), (2, 65942730), (3, 43961820), (4, 32971365), (5, 26377092), (6, 21980910), (7, 18840780), (9, 14653940), (10, 13188546), (12, 10990455), (14, 9420390), (15, 8792364), (18, 7326970), (19, 6941340), (20, 6594273), (21, 6280260), (28, 4710195), (30, 4396182), (35, 3768156), (36, 3663485), (38, 3470670), (42, 3140130), (45, 2930788), (49, 2691540), (57, 2313780), (60, 2198091), (63, 2093420), (70, 1884078), (76, 1735335), (84, 1570065), (90, 1465394), (95, 1388268), (98, 1345770), (105, 1256052), (114, 1156890), (126, 1046710), (133, 991620), (140, 942039), (147, 897180), (171, 771260), (180, 732697), (190, 694134), (196, 672885), (210, 628026), (228, 578445), (245, 538308), (252, 523355), (266, 495810), (285, 462756), (294, 448590), (315, 418684), (342, 385630), (380, 347067), (399, 330540), (420, 314013), (441, 299060), (490, 269154), (532, 247905), (570, 231378), (588, 224295), (630, 209342), (665, 198324), (684, 192815), (735, 179436), (787, 167580), (798, 165270), (855, 154252), (882, 149530), (931, 141660), (980, 134577), (1140, 115689), (1197, 110180), (1260, 104671), (1330, 99162), (1470, 89718), (1574, 83790), (1596, 82635), (1710, 77126), (1764, 74765), (1862, 70830), (1995, 66108), (2205, 59812), (2361, 55860), (2394, 55090), (2660, 49581), (2793, 47220), (2940, 44859), (3148, 41895), (3420, 38563), (3724, 35415), (3935, 33516), (3990, 33054), (4410, 29906), (4655, 28332), (4722, 27930), (4788, 27545), (5509, 23940), (5586, 23610), (5985, 22036), (7083, 18620), (7870, 16758), (7980, 16527), (8379, 15740), (8820, 14953), (9310, 14166), (9444, 13965), (11018, 11970), (11172, 11805)]