200720640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 646950528

約数和(自身を除く): 446229888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 167, 192, 240, 256, 313, 320, 334, 384, 480, 501, 626, 640, 668, 768, 835, 939, 960, 1002, 1252, 1280, 1336, 1565, 1670, 1878, 1920, 2004, 2504, 2505, 2672, 3130, 3340, 3756, 3840, 4008, 4695, 5008, 5010, 5344, 6260, 6680, 7512, 8016, 9390, 10016, 10020, 10688, 12520, 13360, 15024, 16032, 18780, 20032, 20040, 21376, 25040, 26720, 30048, 32064, 37560, 40064, 40080, 42752, 50080, 52271, 53440, 60096, 64128, 75120, 80128, 80160, 100160, 104542, 106880, 120192, 128256, 150240, 156813, 160320, 200320, 209084, 213760, 240384, 261355, 300480, 313626, 320640, 400640, 418168, 522710, 600960, 627252, 641280, 784065, 836336, 1045420, 1201920, 1254504, 1568130, 1672672, 2090840, 2509008, 3136260, 3345344, 4181680, 5018016, 6272520, 6690688, 8363360, 10036032, 12545040, 13381376, 16726720, 20072064, 25090080, 33453440, 40144128, 50180160, 66906880, 100360320, 200720640]

約数ペア:

[(1, 200720640), (2, 100360320), (3, 66906880), (4, 50180160), (5, 40144128), (6, 33453440), (8, 25090080), (10, 20072064), (12, 16726720), (15, 13381376), (16, 12545040), (20, 10036032), (24, 8363360), (30, 6690688), (32, 6272520), (40, 5018016), (48, 4181680), (60, 3345344), (64, 3136260), (80, 2509008), (96, 2090840), (120, 1672672), (128, 1568130), (160, 1254504), (167, 1201920), (192, 1045420), (240, 836336), (256, 784065), (313, 641280), (320, 627252), (334, 600960), (384, 522710), (480, 418168), (501, 400640), (626, 320640), (640, 313626), (668, 300480), (768, 261355), (835, 240384), (939, 213760), (960, 209084), (1002, 200320), (1252, 160320), (1280, 156813), (1336, 150240), (1565, 128256), (1670, 120192), (1878, 106880), (1920, 104542), (2004, 100160), (2504, 80160), (2505, 80128), (2672, 75120), (3130, 64128), (3340, 60096), (3756, 53440), (3840, 52271), (4008, 50080), (4695, 42752), (5008, 40080), (5010, 40064), (5344, 37560), (6260, 32064), (6680, 30048), (7512, 26720), (8016, 25040), (9390, 21376), (10016, 20040), (10020, 20032), (10688, 18780), (12520, 16032), (13360, 15024)]