161226660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 288

約数和(自身を含む): 569963520

約数和(自身を除く): 408736860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 31, 35, 42, 49, 58, 60, 61, 62, 70, 84, 87, 93, 98, 105, 116, 122, 124, 140, 145, 147, 155, 174, 183, 186, 196, 203, 210, 217, 244, 245, 290, 294, 305, 310, 348, 366, 372, 406, 420, 427, 434, 435, 465, 490, 580, 588, 609, 610, 620, 651, 732, 735, 812, 854, 868, 870, 899, 915, 930, 980, 1015, 1085, 1218, 1220, 1281, 1302, 1421, 1470, 1519, 1708, 1740, 1769, 1798, 1830, 1860, 1891, 2030, 2135, 2170, 2436, 2562, 2604, 2697, 2842, 2940, 2989, 3038, 3045, 3255, 3538, 3596, 3660, 3782, 4060, 4263, 4270, 4340, 4495, 4557, 5124, 5307, 5394, 5673, 5684, 5978, 6076, 6090, 6293, 6405, 6510, 7076, 7105, 7564, 7595, 8526, 8540, 8845, 8967, 8990, 9114, 9455, 10614, 10788, 11346, 11956, 12180, 12383, 12586, 12810, 13020, 13237, 13485, 14210, 14945, 15190, 17052, 17690, 17934, 17980, 18228, 18879, 18910, 21228, 21315, 22692, 22785, 24766, 25172, 25620, 26474, 26535, 26970, 28365, 28420, 29890, 30380, 31465, 35380, 35868, 37149, 37758, 37820, 39711, 42630, 44051, 44835, 45570, 49532, 52948, 53070, 53940, 54839, 56730, 59780, 61915, 62930, 66185, 74298, 75516, 79422, 85260, 86681, 88102, 89670, 91140, 92659, 94395, 106140, 109678, 113460, 123830, 125860, 132153, 132370, 148596, 158844, 164517, 173362, 176204, 179340, 185318, 185745, 188790, 198555, 219356, 220255, 247660, 260043, 264306, 264740, 274195, 277977, 329034, 346724, 370636, 371490, 377580, 383873, 397110, 433405, 440510, 463295, 520086, 528612, 548390, 555954, 658068, 660765, 742980, 767746, 794220, 822585, 866810, 881020, 926590, 1040172, 1096780, 1111908, 1151619, 1300215, 1321530, 1389885, 1535492, 1645170, 1733620, 1853180, 1919365, 2303238, 2600430, 2643060, 2687111, 2779770, 3290340, 3838730, 4606476, 5200860, 5374222, 5559540, 5758095, 7677460, 8061333, 10748444, 11516190, 13435555, 16122666, 23032380, 26871110, 32245332, 40306665, 53742220, 80613330, 161226660]

約数ペア:

[(1, 161226660), (2, 80613330), (3, 53742220), (4, 40306665), (5, 32245332), (6, 26871110), (7, 23032380), (10, 16122666), (12, 13435555), (14, 11516190), (15, 10748444), (20, 8061333), (21, 7677460), (28, 5758095), (29, 5559540), (30, 5374222), (31, 5200860), (35, 4606476), (42, 3838730), (49, 3290340), (58, 2779770), (60, 2687111), (61, 2643060), (62, 2600430), (70, 2303238), (84, 1919365), (87, 1853180), (93, 1733620), (98, 1645170), (105, 1535492), (116, 1389885), (122, 1321530), (124, 1300215), (140, 1151619), (145, 1111908), (147, 1096780), (155, 1040172), (174, 926590), (183, 881020), (186, 866810), (196, 822585), (203, 794220), (210, 767746), (217, 742980), (244, 660765), (245, 658068), (290, 555954), (294, 548390), (305, 528612), (310, 520086), (348, 463295), (366, 440510), (372, 433405), (406, 397110), (420, 383873), (427, 377580), (434, 371490), (435, 370636), (465, 346724), (490, 329034), (580, 277977), (588, 274195), (609, 264740), (610, 264306), (620, 260043), (651, 247660), (732, 220255), (735, 219356), (812, 198555), (854, 188790), (868, 185745), (870, 185318), (899, 179340), (915, 176204), (930, 173362), (980, 164517), (1015, 158844), (1085, 148596), (1218, 132370), (1220, 132153), (1281, 125860), (1302, 123830), (1421, 113460), (1470, 109678), (1519, 106140), (1708, 94395), (1740, 92659), (1769, 91140), (1798, 89670), (1830, 88102), (1860, 86681), (1891, 85260), (2030, 79422), (2135, 75516), (2170, 74298), (2436, 66185), (2562, 62930), (2604, 61915), (2697, 59780), (2842, 56730), (2940, 54839), (2989, 53940), (3038, 53070), (3045, 52948), (3255, 49532), (3538, 45570), (3596, 44835), (3660, 44051), (3782, 42630), (4060, 39711), (4263, 37820), (4270, 37758), (4340, 37149), (4495, 35868), (4557, 35380), (5124, 31465), (5307, 30380), (5394, 29890), (5673, 28420), (5684, 28365), (5978, 26970), (6076, 26535), (6090, 26474), (6293, 25620), (6405, 25172), (6510, 24766), (7076, 22785), (7105, 22692), (7564, 21315), (7595, 21228), (8526, 18910), (8540, 18879), (8845, 18228), (8967, 17980), (8990, 17934), (9114, 17690), (9455, 17052), (10614, 15190), (10788, 14945), (11346, 14210), (11956, 13485), (12180, 13237), (12383, 13020), (12586, 12810)]