123841620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:787

約数の個数: 216

約数和(自身を含む): 460605600

約数和(自身を除く): 336763980

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, 739, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1478, 1596, 1710, 1764, 1862, 1995, 2205, 2217, 2394, 2660, 2793, 2940, 2956, 3420, 3695, 3724, 3990, 4410, 4434, 4655, 4788, 5173, 5586, 5985, 6651, 7390, 7980, 8379, 8820, 8868, 9310, 10346, 11085, 11172, 11970, 13302, 13965, 14041, 14780, 15519, 16758, 18620, 20692, 22170, 23940, 25865, 26604, 27930, 28082, 31038, 33255, 33516, 36211, 41895, 42123, 44340, 46557, 51730, 55860, 56164, 62076, 66510, 70205, 72422, 77595, 83790, 84246, 93114, 98287, 103460, 108633, 126369, 133020, 140410, 144844, 155190, 167580, 168492, 181055, 186228, 196574, 210615, 217266, 232785, 252738, 280820, 294861, 310380, 325899, 362110, 393148, 421230, 434532, 465570, 491435, 505476, 543165, 589722, 631845, 651798, 688009, 724220, 842460, 884583, 931140, 982870, 1086330, 1179444, 1263690, 1303596, 1376018, 1474305, 1629495, 1769166, 1965740, 2064027, 2172660, 2527380, 2752036, 2948610, 3258990, 3440045, 3538332, 4128054, 4422915, 5897220, 6192081, 6517980, 6880090, 8256108, 8845830, 10320135, 12384162, 13760180, 17691660, 20640270, 24768324, 30960405, 41280540, 61920810, 123841620]

約数ペア:

[(1, 123841620), (2, 61920810), (3, 41280540), (4, 30960405), (5, 24768324), (6, 20640270), (7, 17691660), (9, 13760180), (10, 12384162), (12, 10320135), (14, 8845830), (15, 8256108), (18, 6880090), (19, 6517980), (20, 6192081), (21, 5897220), (28, 4422915), (30, 4128054), (35, 3538332), (36, 3440045), (38, 3258990), (42, 2948610), (45, 2752036), (49, 2527380), (57, 2172660), (60, 2064027), (63, 1965740), (70, 1769166), (76, 1629495), (84, 1474305), (90, 1376018), (95, 1303596), (98, 1263690), (105, 1179444), (114, 1086330), (126, 982870), (133, 931140), (140, 884583), (147, 842460), (171, 724220), (180, 688009), (190, 651798), (196, 631845), (210, 589722), (228, 543165), (245, 505476), (252, 491435), (266, 465570), (285, 434532), (294, 421230), (315, 393148), (342, 362110), (380, 325899), (399, 310380), (420, 294861), (441, 280820), (490, 252738), (532, 232785), (570, 217266), (588, 210615), (630, 196574), (665, 186228), (684, 181055), (735, 168492), (739, 167580), (798, 155190), (855, 144844), (882, 140410), (931, 133020), (980, 126369), (1140, 108633), (1197, 103460), (1260, 98287), (1330, 93114), (1470, 84246), (1478, 83790), (1596, 77595), (1710, 72422), (1764, 70205), (1862, 66510), (1995, 62076), (2205, 56164), (2217, 55860), (2394, 51730), (2660, 46557), (2793, 44340), (2940, 42123), (2956, 41895), (3420, 36211), (3695, 33516), (3724, 33255), (3990, 31038), (4410, 28082), (4434, 27930), (4655, 26604), (4788, 25865), (5173, 23940), (5586, 22170), (5985, 20692), (6651, 18620), (7390, 16758), (7980, 15519), (8379, 14780), (8820, 14041), (8868, 13965), (9310, 13302), (10346, 11970), (11085, 11172)]