51391890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 158775552

約数和(自身を除く): 107383662

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 37, 45, 46, 55, 61, 66, 69, 74, 90, 99, 110, 111, 115, 122, 138, 165, 183, 185, 198, 207, 222, 230, 253, 305, 330, 333, 345, 366, 370, 407, 414, 495, 506, 549, 555, 610, 666, 671, 690, 759, 814, 851, 915, 990, 1035, 1098, 1110, 1221, 1265, 1342, 1403, 1518, 1665, 1702, 1830, 2013, 2035, 2070, 2257, 2277, 2442, 2530, 2553, 2745, 2806, 3330, 3355, 3663, 3795, 4026, 4070, 4209, 4255, 4514, 4554, 5106, 5490, 6039, 6105, 6710, 6771, 7015, 7326, 7590, 7659, 8418, 8510, 9361, 10065, 11285, 11385, 12078, 12210, 12627, 12765, 13542, 14030, 15318, 15433, 18315, 18722, 20130, 20313, 21045, 22570, 22770, 24827, 25254, 25530, 28083, 30195, 30866, 33855, 36630, 38295, 40626, 42090, 46299, 46805, 49654, 51911, 56166, 60390, 63135, 67710, 74481, 76590, 77165, 84249, 92598, 93610, 101565, 103822, 124135, 126270, 138897, 140415, 148962, 154330, 155733, 168498, 203130, 223443, 231495, 248270, 259555, 277794, 280830, 311466, 372405, 421245, 446886, 462990, 467199, 519110, 571021, 694485, 744810, 778665, 842490, 934398, 1117215, 1142042, 1388970, 1557330, 1713063, 2234430, 2335995, 2855105, 3426126, 4671990, 5139189, 5710210, 8565315, 10278378, 17130630, 25695945, 51391890]

約数ペア:

[(1, 51391890), (2, 25695945), (3, 17130630), (5, 10278378), (6, 8565315), (9, 5710210), (10, 5139189), (11, 4671990), (15, 3426126), (18, 2855105), (22, 2335995), (23, 2234430), (30, 1713063), (33, 1557330), (37, 1388970), (45, 1142042), (46, 1117215), (55, 934398), (61, 842490), (66, 778665), (69, 744810), (74, 694485), (90, 571021), (99, 519110), (110, 467199), (111, 462990), (115, 446886), (122, 421245), (138, 372405), (165, 311466), (183, 280830), (185, 277794), (198, 259555), (207, 248270), (222, 231495), (230, 223443), (253, 203130), (305, 168498), (330, 155733), (333, 154330), (345, 148962), (366, 140415), (370, 138897), (407, 126270), (414, 124135), (495, 103822), (506, 101565), (549, 93610), (555, 92598), (610, 84249), (666, 77165), (671, 76590), (690, 74481), (759, 67710), (814, 63135), (851, 60390), (915, 56166), (990, 51911), (1035, 49654), (1098, 46805), (1110, 46299), (1221, 42090), (1265, 40626), (1342, 38295), (1403, 36630), (1518, 33855), (1665, 30866), (1702, 30195), (1830, 28083), (2013, 25530), (2035, 25254), (2070, 24827), (2257, 22770), (2277, 22570), (2442, 21045), (2530, 20313), (2553, 20130), (2745, 18722), (2806, 18315), (3330, 15433), (3355, 15318), (3663, 14030), (3795, 13542), (4026, 12765), (4070, 12627), (4209, 12210), (4255, 12078), (4514, 11385), (4554, 11285), (5106, 10065), (5490, 9361), (6039, 8510), (6105, 8418), (6710, 7659), (6771, 7590), (7015, 7326)]