261765660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1100

約数の個数: 192

約数和(自身を含む): 880588800

約数和(自身を除く): 618823140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 114, 130, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 323, 340, 380, 390, 442, 494, 510, 570, 646, 663, 741, 780, 884, 969, 988, 1020, 1039, 1105, 1140, 1235, 1292, 1326, 1482, 1615, 1938, 2078, 2210, 2470, 2652, 2964, 3117, 3230, 3315, 3705, 3876, 4156, 4199, 4420, 4845, 4940, 5195, 6234, 6460, 6630, 7410, 8398, 9690, 10390, 12468, 12597, 13260, 13507, 14820, 15585, 16796, 17663, 19380, 19741, 20780, 20995, 25194, 27014, 31170, 35326, 39482, 40521, 41990, 50388, 52989, 54028, 59223, 62340, 62985, 67535, 70652, 78964, 81042, 83980, 88315, 98705, 105978, 118446, 125970, 135070, 162084, 176630, 197410, 202605, 211956, 229619, 236892, 251940, 256633, 264945, 270140, 296115, 335597, 353260, 394820, 405210, 459238, 513266, 529890, 592230, 671194, 688857, 769899, 810420, 918476, 1006791, 1026532, 1059780, 1148095, 1184460, 1283165, 1342388, 1377714, 1539798, 1677985, 2013582, 2296190, 2566330, 2755428, 3079596, 3355970, 3444285, 3849495, 4027164, 4362761, 4592380, 5033955, 5132660, 6711940, 6888570, 7698990, 8725522, 10067910, 13088283, 13777140, 15397980, 17451044, 20135820, 21813805, 26176566, 43627610, 52353132, 65441415, 87255220, 130882830, 261765660]

約数ペア:

[(1, 261765660), (2, 130882830), (3, 87255220), (4, 65441415), (5, 52353132), (6, 43627610), (10, 26176566), (12, 21813805), (13, 20135820), (15, 17451044), (17, 15397980), (19, 13777140), (20, 13088283), (26, 10067910), (30, 8725522), (34, 7698990), (38, 6888570), (39, 6711940), (51, 5132660), (52, 5033955), (57, 4592380), (60, 4362761), (65, 4027164), (68, 3849495), (76, 3444285), (78, 3355970), (85, 3079596), (95, 2755428), (102, 2566330), (114, 2296190), (130, 2013582), (156, 1677985), (170, 1539798), (190, 1377714), (195, 1342388), (204, 1283165), (221, 1184460), (228, 1148095), (247, 1059780), (255, 1026532), (260, 1006791), (285, 918476), (323, 810420), (340, 769899), (380, 688857), (390, 671194), (442, 592230), (494, 529890), (510, 513266), (570, 459238), (646, 405210), (663, 394820), (741, 353260), (780, 335597), (884, 296115), (969, 270140), (988, 264945), (1020, 256633), (1039, 251940), (1105, 236892), (1140, 229619), (1235, 211956), (1292, 202605), (1326, 197410), (1482, 176630), (1615, 162084), (1938, 135070), (2078, 125970), (2210, 118446), (2470, 105978), (2652, 98705), (2964, 88315), (3117, 83980), (3230, 81042), (3315, 78964), (3705, 70652), (3876, 67535), (4156, 62985), (4199, 62340), (4420, 59223), (4845, 54028), (4940, 52989), (5195, 50388), (6234, 41990), (6460, 40521), (6630, 39482), (7410, 35326), (8398, 31170), (9690, 27014), (10390, 25194), (12468, 20995), (12597, 20780), (13260, 19741), (13507, 19380), (14820, 17663), (15585, 16796)]