205720560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:677

約数の個数: 200

約数和(自身を含む): 729194400

約数和(自身を除く): 523473840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 81, 90, 106, 108, 120, 135, 144, 159, 162, 180, 212, 216, 240, 265, 270, 318, 324, 360, 405, 424, 432, 477, 530, 540, 599, 636, 648, 720, 795, 810, 848, 954, 1060, 1080, 1198, 1272, 1296, 1431, 1590, 1620, 1797, 1908, 2120, 2160, 2385, 2396, 2544, 2862, 2995, 3180, 3240, 3594, 3816, 4240, 4293, 4770, 4792, 5391, 5724, 5990, 6360, 6480, 7155, 7188, 7632, 8586, 8985, 9540, 9584, 10782, 11448, 11980, 12720, 14310, 14376, 16173, 17172, 17970, 19080, 21465, 21564, 22896, 23960, 26955, 28620, 28752, 31747, 32346, 34344, 35940, 38160, 42930, 43128, 47920, 48519, 53910, 57240, 63494, 64692, 68688, 71880, 80865, 85860, 86256, 95241, 97038, 107820, 114480, 126988, 129384, 143760, 158735, 161730, 171720, 190482, 194076, 215640, 242595, 253976, 258768, 285723, 317470, 323460, 343440, 380964, 388152, 431280, 476205, 485190, 507952, 571446, 634940, 646920, 761928, 776304, 857169, 952410, 970380, 1142892, 1269880, 1293840, 1428615, 1523856, 1714338, 1904820, 1940760, 2285784, 2539760, 2571507, 2857230, 3428676, 3809640, 3881520, 4285845, 4571568, 5143014, 5714460, 6857352, 7619280, 8571690, 10286028, 11428920, 12857535, 13714704, 17143380, 20572056, 22857840, 25715070, 34286760, 41144112, 51430140, 68573520, 102860280, 205720560]

約数ペア:

[(1, 205720560), (2, 102860280), (3, 68573520), (4, 51430140), (5, 41144112), (6, 34286760), (8, 25715070), (9, 22857840), (10, 20572056), (12, 17143380), (15, 13714704), (16, 12857535), (18, 11428920), (20, 10286028), (24, 8571690), (27, 7619280), (30, 6857352), (36, 5714460), (40, 5143014), (45, 4571568), (48, 4285845), (53, 3881520), (54, 3809640), (60, 3428676), (72, 2857230), (80, 2571507), (81, 2539760), (90, 2285784), (106, 1940760), (108, 1904820), (120, 1714338), (135, 1523856), (144, 1428615), (159, 1293840), (162, 1269880), (180, 1142892), (212, 970380), (216, 952410), (240, 857169), (265, 776304), (270, 761928), (318, 646920), (324, 634940), (360, 571446), (405, 507952), (424, 485190), (432, 476205), (477, 431280), (530, 388152), (540, 380964), (599, 343440), (636, 323460), (648, 317470), (720, 285723), (795, 258768), (810, 253976), (848, 242595), (954, 215640), (1060, 194076), (1080, 190482), (1198, 171720), (1272, 161730), (1296, 158735), (1431, 143760), (1590, 129384), (1620, 126988), (1797, 114480), (1908, 107820), (2120, 97038), (2160, 95241), (2385, 86256), (2396, 85860), (2544, 80865), (2862, 71880), (2995, 68688), (3180, 64692), (3240, 63494), (3594, 57240), (3816, 53910), (4240, 48519), (4293, 47920), (4770, 43128), (4792, 42930), (5391, 38160), (5724, 35940), (5990, 34344), (6360, 32346), (6480, 31747), (7155, 28752), (7188, 28620), (7632, 26955), (8586, 23960), (8985, 22896), (9540, 21564), (9584, 21465), (10782, 19080), (11448, 17970), (11980, 17172), (12720, 16173), (14310, 14376)]