28780618240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{32969}}^1$

素因数の和:33034

約数の個数: 160

約数和(自身を含む): 77710026240

約数和(自身を除く): 48929408000

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, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2480, 2560, 2728, 2816, 3410, 3520, 3968, 4960, 5456, 5632, 6820, 7040, 7936, 9920, 10912, 13640, 14080, 15872, 19840, 21824, 27280, 28160, 32969, 39680, 43648, 54560, 65938, 79360, 87296, 109120, 131876, 164845, 174592, 218240, 263752, 329690, 362659, 436480, 527504, 659380, 725318, 872960, 1022039, 1055008, 1318760, 1450636, 1813295, 2044078, 2110016, 2637520, 2901272, 3626590, 4088156, 4220032, 5110195, 5275040, 5802544, 7253180, 8176312, 8440064, 10220390, 10550080, 11242429, 11605088, 14506360, 16352624, 16880128, 20440780, 21100160, 22484858, 23210176, 29012720, 32705248, 40881560, 42200320, 44969716, 46420352, 56212145, 58025440, 65410496, 81763120, 84400640, 89939432, 92840704, 112424290, 116050880, 130820992, 163526240, 179878864, 185681408, 224848580, 232101760, 261641984, 327052480, 359757728, 449697160, 464203520, 523283968, 654104960, 719515456, 899394320, 928407040, 1308209920, 1439030912, 1798788640, 2616419840, 2878061824, 3597577280, 5756123648, 7195154560, 14390309120, 28780618240]

約数ペア:

[(1, 28780618240), (2, 14390309120), (4, 7195154560), (5, 5756123648), (8, 3597577280), (10, 2878061824), (11, 2616419840), (16, 1798788640), (20, 1439030912), (22, 1308209920), (31, 928407040), (32, 899394320), (40, 719515456), (44, 654104960), (55, 523283968), (62, 464203520), (64, 449697160), (80, 359757728), (88, 327052480), (110, 261641984), (124, 232101760), (128, 224848580), (155, 185681408), (160, 179878864), (176, 163526240), (220, 130820992), (248, 116050880), (256, 112424290), (310, 92840704), (320, 89939432), (341, 84400640), (352, 81763120), (440, 65410496), (496, 58025440), (512, 56212145), (620, 46420352), (640, 44969716), (682, 42200320), (704, 40881560), (880, 32705248), (992, 29012720), (1240, 23210176), (1280, 22484858), (1364, 21100160), (1408, 20440780), (1705, 16880128), (1760, 16352624), (1984, 14506360), (2480, 11605088), (2560, 11242429), (2728, 10550080), (2816, 10220390), (3410, 8440064), (3520, 8176312), (3968, 7253180), (4960, 5802544), (5456, 5275040), (5632, 5110195), (6820, 4220032), (7040, 4088156), (7936, 3626590), (9920, 2901272), (10912, 2637520), (13640, 2110016), (14080, 2044078), (15872, 1813295), (19840, 1450636), (21824, 1318760), (27280, 1055008), (28160, 1022039), (32969, 872960), (39680, 725318), (43648, 659380), (54560, 527504), (65938, 436480), (79360, 362659), (87296, 329690), (109120, 263752), (131876, 218240), (164845, 174592)]