28735442560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{373}}^1$

素因数の和:787

約数の個数: 256

約数和(自身を含む): 77785297920

約数和(自身を除く): 49049855360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 353, 373, 440, 496, 620, 640, 682, 704, 706, 746, 880, 992, 1240, 1364, 1408, 1412, 1492, 1705, 1760, 1765, 1865, 1984, 2480, 2728, 2824, 2984, 3410, 3520, 3530, 3730, 3883, 3968, 4103, 4960, 5456, 5648, 5968, 6820, 7040, 7060, 7460, 7766, 8206, 9920, 10912, 10943, 11296, 11563, 11936, 13640, 14120, 14920, 15532, 16412, 19415, 19840, 20515, 21824, 21886, 22592, 23126, 23872, 27280, 28240, 29840, 31064, 32824, 38830, 41030, 43648, 43772, 45184, 46252, 47744, 54560, 54715, 56480, 57815, 59680, 62128, 65648, 77660, 82060, 87544, 92504, 109120, 109430, 112960, 115630, 119360, 120373, 124256, 127193, 131296, 131669, 155320, 164120, 175088, 185008, 218240, 218860, 225920, 231260, 238720, 240746, 248512, 254386, 262592, 263338, 310640, 328240, 350176, 370016, 437720, 462520, 481492, 497024, 508772, 525184, 526676, 601865, 621280, 635965, 656480, 658345, 700352, 740032, 875440, 925040, 962984, 1017544, 1053352, 1203730, 1242560, 1271930, 1312960, 1316690, 1400704, 1448359, 1480064, 1750880, 1850080, 1925968, 2035088, 2106704, 2407460, 2485120, 2543860, 2625920, 2633380, 2896718, 3501760, 3700160, 3851936, 4070176, 4081739, 4213408, 4814920, 5087720, 5266760, 5793436, 7003520, 7241795, 7400320, 7703872, 8140352, 8163478, 8426816, 9629840, 10175440, 10533520, 11586872, 14483590, 15407744, 16280704, 16326956, 16853632, 19259680, 20350880, 20408695, 21067040, 23173744, 28967180, 32653912, 38519360, 40701760, 40817390, 42134080, 44899129, 46347488, 57934360, 65307824, 77038720, 81403520, 81634780, 84268160, 89798258, 92694976, 115868720, 130615648, 163269560, 179596516, 185389952, 224495645, 231737440, 261231296, 326539120, 359193032, 448991290, 463474880, 522462592, 653078240, 718386064, 897982580, 926949760, 1306156480, 1436772128, 1795965160, 2612312960, 2873544256, 3591930320, 5747088512, 7183860640, 14367721280, 28735442560]

約数ペア:

[(1, 28735442560), (2, 14367721280), (4, 7183860640), (5, 5747088512), (8, 3591930320), (10, 2873544256), (11, 2612312960), (16, 1795965160), (20, 1436772128), (22, 1306156480), (31, 926949760), (32, 897982580), (40, 718386064), (44, 653078240), (55, 522462592), (62, 463474880), (64, 448991290), (80, 359193032), (88, 326539120), (110, 261231296), (124, 231737440), (128, 224495645), (155, 185389952), (160, 179596516), (176, 163269560), (220, 130615648), (248, 115868720), (310, 92694976), (320, 89798258), (341, 84268160), (352, 81634780), (353, 81403520), (373, 77038720), (440, 65307824), (496, 57934360), (620, 46347488), (640, 44899129), (682, 42134080), (704, 40817390), (706, 40701760), (746, 38519360), (880, 32653912), (992, 28967180), (1240, 23173744), (1364, 21067040), (1408, 20408695), (1412, 20350880), (1492, 19259680), (1705, 16853632), (1760, 16326956), (1765, 16280704), (1865, 15407744), (1984, 14483590), (2480, 11586872), (2728, 10533520), (2824, 10175440), (2984, 9629840), (3410, 8426816), (3520, 8163478), (3530, 8140352), (3730, 7703872), (3883, 7400320), (3968, 7241795), (4103, 7003520), (4960, 5793436), (5456, 5266760), (5648, 5087720), (5968, 4814920), (6820, 4213408), (7040, 4081739), (7060, 4070176), (7460, 3851936), (7766, 3700160), (8206, 3501760), (9920, 2896718), (10912, 2633380), (10943, 2625920), (11296, 2543860), (11563, 2485120), (11936, 2407460), (13640, 2106704), (14120, 2035088), (14920, 1925968), (15532, 1850080), (16412, 1750880), (19415, 1480064), (19840, 1448359), (20515, 1400704), (21824, 1316690), (21886, 1312960), (22592, 1271930), (23126, 1242560), (23872, 1203730), (27280, 1053352), (28240, 1017544), (29840, 962984), (31064, 925040), (32824, 875440), (38830, 740032), (41030, 700352), (43648, 658345), (43772, 656480), (45184, 635965), (46252, 621280), (47744, 601865), (54560, 526676), (54715, 525184), (56480, 508772), (57815, 497024), (59680, 481492), (62128, 462520), (65648, 437720), (77660, 370016), (82060, 350176), (87544, 328240), (92504, 310640), (109120, 263338), (109430, 262592), (112960, 254386), (115630, 248512), (119360, 240746), (120373, 238720), (124256, 231260), (127193, 225920), (131296, 218860), (131669, 218240), (155320, 185008), (164120, 175088)]