123880428

素因数分解:

$2^2\times 3^7\times 7^2\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 216

約数和(自身を含む): 401777040

約数和(自身を除く): 277896612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 81, 84, 98, 102, 108, 119, 126, 147, 153, 162, 189, 196, 204, 238, 243, 252, 289, 294, 306, 324, 357, 378, 441, 459, 476, 486, 567, 578, 588, 612, 714, 729, 756, 833, 867, 882, 918, 972, 1071, 1134, 1156, 1323, 1377, 1428, 1458, 1666, 1701, 1734, 1764, 1836, 2023, 2142, 2187, 2268, 2499, 2601, 2646, 2754, 2916, 3213, 3332, 3402, 3468, 3969, 4046, 4131, 4284, 4374, 4998, 5103, 5202, 5292, 5508, 6069, 6426, 6804, 7497, 7803, 7938, 8092, 8262, 8748, 9639, 9996, 10206, 10404, 11907, 12138, 12393, 12852, 14161, 14994, 15309, 15606, 15876, 16524, 18207, 19278, 20412, 22491, 23409, 23814, 24276, 24786, 28322, 28917, 29988, 30618, 31212, 35721, 36414, 37179, 38556, 42483, 44982, 46818, 47628, 49572, 54621, 56644, 57834, 61236, 67473, 70227, 71442, 72828, 74358, 84966, 86751, 89964, 93636, 107163, 109242, 115668, 127449, 134946, 140454, 142884, 148716, 163863, 169932, 173502, 202419, 210681, 214326, 218484, 254898, 260253, 269892, 280908, 327726, 347004, 382347, 404838, 421362, 428652, 491589, 509796, 520506, 607257, 632043, 655452, 764694, 809676, 842724, 983178, 1041012, 1147041, 1214514, 1264086, 1474767, 1529388, 1821771, 1966356, 2294082, 2429028, 2528172, 2949534, 3441123, 3643542, 4424301, 4588164, 5899068, 6882246, 7287084, 8848602, 10323369, 13764492, 17697204, 20646738, 30970107, 41293476, 61940214, 123880428]

約数ペア:

[(1, 123880428), (2, 61940214), (3, 41293476), (4, 30970107), (6, 20646738), (7, 17697204), (9, 13764492), (12, 10323369), (14, 8848602), (17, 7287084), (18, 6882246), (21, 5899068), (27, 4588164), (28, 4424301), (34, 3643542), (36, 3441123), (42, 2949534), (49, 2528172), (51, 2429028), (54, 2294082), (63, 1966356), (68, 1821771), (81, 1529388), (84, 1474767), (98, 1264086), (102, 1214514), (108, 1147041), (119, 1041012), (126, 983178), (147, 842724), (153, 809676), (162, 764694), (189, 655452), (196, 632043), (204, 607257), (238, 520506), (243, 509796), (252, 491589), (289, 428652), (294, 421362), (306, 404838), (324, 382347), (357, 347004), (378, 327726), (441, 280908), (459, 269892), (476, 260253), (486, 254898), (567, 218484), (578, 214326), (588, 210681), (612, 202419), (714, 173502), (729, 169932), (756, 163863), (833, 148716), (867, 142884), (882, 140454), (918, 134946), (972, 127449), (1071, 115668), (1134, 109242), (1156, 107163), (1323, 93636), (1377, 89964), (1428, 86751), (1458, 84966), (1666, 74358), (1701, 72828), (1734, 71442), (1764, 70227), (1836, 67473), (2023, 61236), (2142, 57834), (2187, 56644), (2268, 54621), (2499, 49572), (2601, 47628), (2646, 46818), (2754, 44982), (2916, 42483), (3213, 38556), (3332, 37179), (3402, 36414), (3468, 35721), (3969, 31212), (4046, 30618), (4131, 29988), (4284, 28917), (4374, 28322), (4998, 24786), (5103, 24276), (5202, 23814), (5292, 23409), (5508, 22491), (6069, 20412), (6426, 19278), (6804, 18207), (7497, 16524), (7803, 15876), (7938, 15606), (8092, 15309), (8262, 14994), (8748, 14161), (9639, 12852), (9996, 12393), (10206, 12138), (10404, 11907)]