123421788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 391058304

約数和(自身を除く): 267636516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 37, 42, 49, 61, 62, 63, 74, 84, 93, 98, 111, 122, 124, 126, 147, 148, 183, 186, 196, 217, 222, 244, 252, 259, 279, 294, 333, 366, 372, 427, 434, 441, 444, 518, 549, 558, 588, 651, 666, 732, 777, 854, 868, 882, 1036, 1098, 1116, 1147, 1281, 1302, 1332, 1519, 1554, 1708, 1764, 1813, 1891, 1953, 2196, 2257, 2294, 2331, 2562, 2604, 2989, 3038, 3108, 3441, 3626, 3782, 3843, 3906, 4514, 4557, 4588, 4662, 5124, 5439, 5673, 5978, 6076, 6771, 6882, 7252, 7564, 7686, 7812, 8029, 8967, 9028, 9114, 9324, 10323, 10878, 11346, 11956, 13237, 13542, 13671, 13764, 15372, 15799, 16058, 16317, 17019, 17934, 18228, 20313, 20646, 21756, 22692, 24087, 26474, 26901, 27084, 27342, 31598, 32116, 32634, 34038, 35868, 39711, 40626, 41292, 47397, 48174, 52948, 53802, 54684, 56203, 63196, 65268, 68076, 69967, 72261, 79422, 81252, 92659, 94794, 96348, 107604, 110593, 112406, 119133, 139934, 142191, 144522, 158844, 168609, 185318, 189588, 209901, 221186, 224812, 238266, 277977, 279868, 284382, 289044, 331779, 337218, 370636, 419802, 442372, 476532, 489769, 505827, 555954, 568764, 629703, 663558, 674436, 833931, 839604, 979538, 995337, 1011654, 1111908, 1259406, 1327116, 1469307, 1667862, 1959076, 1990674, 2023308, 2518812, 2938614, 3335724, 3428383, 3981348, 4407921, 5877228, 6856766, 8815842, 10285149, 13713532, 17631684, 20570298, 30855447, 41140596, 61710894, 123421788]

約数ペア:

[(1, 123421788), (2, 61710894), (3, 41140596), (4, 30855447), (6, 20570298), (7, 17631684), (9, 13713532), (12, 10285149), (14, 8815842), (18, 6856766), (21, 5877228), (28, 4407921), (31, 3981348), (36, 3428383), (37, 3335724), (42, 2938614), (49, 2518812), (61, 2023308), (62, 1990674), (63, 1959076), (74, 1667862), (84, 1469307), (93, 1327116), (98, 1259406), (111, 1111908), (122, 1011654), (124, 995337), (126, 979538), (147, 839604), (148, 833931), (183, 674436), (186, 663558), (196, 629703), (217, 568764), (222, 555954), (244, 505827), (252, 489769), (259, 476532), (279, 442372), (294, 419802), (333, 370636), (366, 337218), (372, 331779), (427, 289044), (434, 284382), (441, 279868), (444, 277977), (518, 238266), (549, 224812), (558, 221186), (588, 209901), (651, 189588), (666, 185318), (732, 168609), (777, 158844), (854, 144522), (868, 142191), (882, 139934), (1036, 119133), (1098, 112406), (1116, 110593), (1147, 107604), (1281, 96348), (1302, 94794), (1332, 92659), (1519, 81252), (1554, 79422), (1708, 72261), (1764, 69967), (1813, 68076), (1891, 65268), (1953, 63196), (2196, 56203), (2257, 54684), (2294, 53802), (2331, 52948), (2562, 48174), (2604, 47397), (2989, 41292), (3038, 40626), (3108, 39711), (3441, 35868), (3626, 34038), (3782, 32634), (3843, 32116), (3906, 31598), (4514, 27342), (4557, 27084), (4588, 26901), (4662, 26474), (5124, 24087), (5439, 22692), (5673, 21756), (5978, 20646), (6076, 20313), (6771, 18228), (6882, 17934), (7252, 17019), (7564, 16317), (7686, 16058), (7812, 15799), (8029, 15372), (8967, 13764), (9028, 13671), (9114, 13542), (9324, 13237), (10323, 11956), (10878, 11346)]