21320804880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{21599}}^1$

素因数の和:22078

約数の個数: 160

約数和(自身を含む): 73602432000

約数和(自身を除く): 52281627120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 457, 540, 720, 914, 1080, 1371, 1828, 2160, 2285, 2742, 3656, 4113, 4570, 5484, 6855, 7312, 8226, 9140, 10968, 12339, 13710, 16452, 18280, 20565, 21599, 21936, 24678, 27420, 32904, 36560, 41130, 43198, 49356, 54840, 61695, 64797, 65808, 82260, 86396, 98712, 107995, 109680, 123390, 129594, 164520, 172792, 194391, 197424, 215990, 246780, 259188, 323985, 329040, 345584, 388782, 431980, 493560, 518376, 583173, 647970, 777564, 863960, 971955, 987120, 1036752, 1166346, 1295940, 1555128, 1727920, 1943910, 2332692, 2591880, 2915865, 3110256, 3887820, 4665384, 5183760, 5831730, 7775640, 9330768, 9870743, 11663460, 15551280, 19741486, 23326920, 29612229, 39482972, 46653840, 49353715, 59224458, 78965944, 88836687, 98707430, 118448916, 148061145, 157931888, 177673374, 197414860, 236897832, 266510061, 296122290, 355346748, 394829720, 444183435, 473795664, 533020122, 592244580, 710693496, 789659440, 888366870, 1066040244, 1184489160, 1332550305, 1421386992, 1776733740, 2132080488, 2368978320, 2665100610, 3553467480, 4264160976, 5330201220, 7106934960, 10660402440, 21320804880]

約数ペア:

[(1, 21320804880), (2, 10660402440), (3, 7106934960), (4, 5330201220), (5, 4264160976), (6, 3553467480), (8, 2665100610), (9, 2368978320), (10, 2132080488), (12, 1776733740), (15, 1421386992), (16, 1332550305), (18, 1184489160), (20, 1066040244), (24, 888366870), (27, 789659440), (30, 710693496), (36, 592244580), (40, 533020122), (45, 473795664), (48, 444183435), (54, 394829720), (60, 355346748), (72, 296122290), (80, 266510061), (90, 236897832), (108, 197414860), (120, 177673374), (135, 157931888), (144, 148061145), (180, 118448916), (216, 98707430), (240, 88836687), (270, 78965944), (360, 59224458), (432, 49353715), (457, 46653840), (540, 39482972), (720, 29612229), (914, 23326920), (1080, 19741486), (1371, 15551280), (1828, 11663460), (2160, 9870743), (2285, 9330768), (2742, 7775640), (3656, 5831730), (4113, 5183760), (4570, 4665384), (5484, 3887820), (6855, 3110256), (7312, 2915865), (8226, 2591880), (9140, 2332692), (10968, 1943910), (12339, 1727920), (13710, 1555128), (16452, 1295940), (18280, 1166346), (20565, 1036752), (21599, 987120), (21936, 971955), (24678, 863960), (27420, 777564), (32904, 647970), (36560, 583173), (41130, 518376), (43198, 493560), (49356, 431980), (54840, 388782), (61695, 345584), (64797, 329040), (65808, 323985), (82260, 259188), (86396, 246780), (98712, 215990), (107995, 197424), (109680, 194391), (123390, 172792), (129594, 164520)]