280458180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 934778880

約数和(自身を除く): 654320700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 137, 153, 170, 180, 204, 223, 255, 270, 274, 306, 340, 411, 446, 459, 510, 540, 548, 612, 669, 685, 765, 822, 892, 918, 1020, 1115, 1233, 1338, 1370, 1530, 1644, 1836, 2007, 2055, 2230, 2295, 2329, 2466, 2676, 2740, 3060, 3345, 3699, 3791, 4014, 4110, 4460, 4590, 4658, 4932, 6021, 6165, 6690, 6987, 7398, 7582, 8028, 8220, 9180, 9316, 10035, 11373, 11645, 12042, 12330, 13380, 13974, 14796, 15164, 18495, 18955, 20070, 20961, 22746, 23290, 24084, 24660, 27948, 30105, 30551, 34119, 34935, 36990, 37910, 40140, 41922, 45492, 46580, 56865, 60210, 61102, 62883, 68238, 69870, 73980, 75820, 83844, 91653, 102357, 104805, 113730, 120420, 122204, 125766, 136476, 139740, 152755, 170595, 183306, 204714, 209610, 227460, 251532, 274959, 305510, 314415, 341190, 366612, 409428, 419220, 458265, 511785, 519367, 549918, 611020, 628830, 682380, 824877, 916530, 1023570, 1038734, 1099836, 1257660, 1374795, 1558101, 1649754, 1833060, 2047140, 2077468, 2596835, 2749590, 3116202, 3299508, 4124385, 4674303, 5193670, 5499180, 6232404, 7790505, 8248770, 9348606, 10387340, 14022909, 15581010, 16497540, 18697212, 23371515, 28045818, 31162020, 46743030, 56091636, 70114545, 93486060, 140229090, 280458180]

約数ペア:

[(1, 280458180), (2, 140229090), (3, 93486060), (4, 70114545), (5, 56091636), (6, 46743030), (9, 31162020), (10, 28045818), (12, 23371515), (15, 18697212), (17, 16497540), (18, 15581010), (20, 14022909), (27, 10387340), (30, 9348606), (34, 8248770), (36, 7790505), (45, 6232404), (51, 5499180), (54, 5193670), (60, 4674303), (68, 4124385), (85, 3299508), (90, 3116202), (102, 2749590), (108, 2596835), (135, 2077468), (137, 2047140), (153, 1833060), (170, 1649754), (180, 1558101), (204, 1374795), (223, 1257660), (255, 1099836), (270, 1038734), (274, 1023570), (306, 916530), (340, 824877), (411, 682380), (446, 628830), (459, 611020), (510, 549918), (540, 519367), (548, 511785), (612, 458265), (669, 419220), (685, 409428), (765, 366612), (822, 341190), (892, 314415), (918, 305510), (1020, 274959), (1115, 251532), (1233, 227460), (1338, 209610), (1370, 204714), (1530, 183306), (1644, 170595), (1836, 152755), (2007, 139740), (2055, 136476), (2230, 125766), (2295, 122204), (2329, 120420), (2466, 113730), (2676, 104805), (2740, 102357), (3060, 91653), (3345, 83844), (3699, 75820), (3791, 73980), (4014, 69870), (4110, 68238), (4460, 62883), (4590, 61102), (4658, 60210), (4932, 56865), (6021, 46580), (6165, 45492), (6690, 41922), (6987, 40140), (7398, 37910), (7582, 36990), (8028, 34935), (8220, 34119), (9180, 30551), (9316, 30105), (10035, 27948), (11373, 24660), (11645, 24084), (12042, 23290), (12330, 22746), (13380, 20961), (13974, 20070), (14796, 18955), (15164, 18495)]