155940540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 288

約数和(自身を含む): 551577600

約数和(自身を除く): 395637060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 31, 35, 42, 49, 58, 59, 60, 62, 70, 84, 87, 93, 98, 105, 116, 118, 124, 140, 145, 147, 155, 174, 177, 186, 196, 203, 210, 217, 236, 245, 290, 294, 295, 310, 348, 354, 372, 406, 413, 420, 434, 435, 465, 490, 580, 588, 590, 609, 620, 651, 708, 735, 812, 826, 868, 870, 885, 899, 930, 980, 1015, 1085, 1180, 1218, 1239, 1302, 1421, 1470, 1519, 1652, 1711, 1740, 1770, 1798, 1829, 1860, 2030, 2065, 2170, 2436, 2478, 2604, 2697, 2842, 2891, 2940, 3038, 3045, 3255, 3422, 3540, 3596, 3658, 4060, 4130, 4263, 4340, 4495, 4557, 4956, 5133, 5394, 5487, 5684, 5782, 6076, 6090, 6195, 6293, 6510, 6844, 7105, 7316, 7595, 8260, 8526, 8555, 8673, 8990, 9114, 9145, 10266, 10788, 10974, 11564, 11977, 12180, 12390, 12586, 12803, 13020, 13485, 14210, 14455, 15190, 17052, 17110, 17346, 17980, 18228, 18290, 18879, 20532, 21315, 21948, 22785, 23954, 24780, 25172, 25606, 25665, 26970, 27435, 28420, 28910, 30380, 31465, 34220, 34692, 35931, 36580, 37758, 38409, 42630, 43365, 44051, 45570, 47908, 51212, 51330, 53041, 53940, 54870, 57820, 59885, 62930, 64015, 71862, 75516, 76818, 83839, 85260, 86730, 88102, 89621, 91140, 94395, 102660, 106082, 109740, 119770, 125860, 128030, 132153, 143724, 153636, 159123, 167678, 173460, 176204, 179242, 179655, 188790, 192045, 212164, 220255, 239540, 251517, 256060, 264306, 265205, 268863, 318246, 335356, 358484, 359310, 371287, 377580, 384090, 419195, 440510, 448105, 503034, 528612, 530410, 537726, 636492, 660765, 718620, 742574, 768180, 795615, 838390, 881020, 896210, 1006068, 1060820, 1075452, 1113861, 1257585, 1321530, 1344315, 1485148, 1591230, 1676780, 1792420, 1856435, 2227722, 2515170, 2599009, 2643060, 2688630, 3182460, 3712870, 4455444, 5030340, 5198018, 5377260, 5569305, 7425740, 7797027, 10396036, 11138610, 12995045, 15594054, 22277220, 25990090, 31188108, 38985135, 51980180, 77970270, 155940540]

約数ペア:

[(1, 155940540), (2, 77970270), (3, 51980180), (4, 38985135), (5, 31188108), (6, 25990090), (7, 22277220), (10, 15594054), (12, 12995045), (14, 11138610), (15, 10396036), (20, 7797027), (21, 7425740), (28, 5569305), (29, 5377260), (30, 5198018), (31, 5030340), (35, 4455444), (42, 3712870), (49, 3182460), (58, 2688630), (59, 2643060), (60, 2599009), (62, 2515170), (70, 2227722), (84, 1856435), (87, 1792420), (93, 1676780), (98, 1591230), (105, 1485148), (116, 1344315), (118, 1321530), (124, 1257585), (140, 1113861), (145, 1075452), (147, 1060820), (155, 1006068), (174, 896210), (177, 881020), (186, 838390), (196, 795615), (203, 768180), (210, 742574), (217, 718620), (236, 660765), (245, 636492), (290, 537726), (294, 530410), (295, 528612), (310, 503034), (348, 448105), (354, 440510), (372, 419195), (406, 384090), (413, 377580), (420, 371287), (434, 359310), (435, 358484), (465, 335356), (490, 318246), (580, 268863), (588, 265205), (590, 264306), (609, 256060), (620, 251517), (651, 239540), (708, 220255), (735, 212164), (812, 192045), (826, 188790), (868, 179655), (870, 179242), (885, 176204), (899, 173460), (930, 167678), (980, 159123), (1015, 153636), (1085, 143724), (1180, 132153), (1218, 128030), (1239, 125860), (1302, 119770), (1421, 109740), (1470, 106082), (1519, 102660), (1652, 94395), (1711, 91140), (1740, 89621), (1770, 88102), (1798, 86730), (1829, 85260), (1860, 83839), (2030, 76818), (2065, 75516), (2170, 71862), (2436, 64015), (2478, 62930), (2604, 59885), (2697, 57820), (2842, 54870), (2891, 53940), (2940, 53041), (3038, 51330), (3045, 51212), (3255, 47908), (3422, 45570), (3540, 44051), (3596, 43365), (3658, 42630), (4060, 38409), (4130, 37758), (4263, 36580), (4340, 35931), (4495, 34692), (4557, 34220), (4956, 31465), (5133, 30380), (5394, 28910), (5487, 28420), (5684, 27435), (5782, 26970), (6076, 25665), (6090, 25606), (6195, 25172), (6293, 24780), (6510, 23954), (6844, 22785), (7105, 21948), (7316, 21315), (7595, 20532), (8260, 18879), (8526, 18290), (8555, 18228), (8673, 17980), (8990, 17346), (9114, 17110), (9145, 17052), (10266, 15190), (10788, 14455), (10974, 14210), (11564, 13485), (11977, 13020), (12180, 12803), (12390, 12586)]