309137220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 288

約数和(自身を含む): 1161888000

約数和(自身を除く): 852750780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 37, 38, 42, 45, 57, 60, 63, 70, 74, 76, 84, 90, 95, 105, 111, 114, 126, 133, 140, 148, 171, 180, 185, 190, 210, 222, 228, 252, 259, 266, 285, 315, 333, 342, 349, 370, 380, 399, 420, 444, 518, 532, 555, 570, 630, 665, 666, 684, 698, 703, 740, 777, 798, 855, 1036, 1047, 1110, 1140, 1197, 1260, 1295, 1330, 1332, 1396, 1406, 1554, 1596, 1665, 1710, 1745, 1995, 2094, 2109, 2220, 2331, 2394, 2443, 2590, 2660, 2812, 3108, 3141, 3330, 3420, 3490, 3515, 3885, 3990, 4188, 4218, 4662, 4788, 4886, 4921, 5180, 5235, 5985, 6282, 6327, 6631, 6660, 6980, 7030, 7329, 7770, 7980, 8436, 9324, 9772, 9842, 10470, 10545, 11655, 11970, 12215, 12564, 12654, 12913, 13262, 14060, 14658, 14763, 15540, 15705, 19684, 19893, 20940, 21090, 21987, 23310, 23940, 24430, 24605, 25308, 25826, 26524, 29316, 29526, 31410, 31635, 33155, 36645, 38739, 39786, 42180, 43974, 44289, 46417, 46620, 48860, 49210, 51652, 59052, 59679, 62820, 63270, 64565, 66310, 73290, 73815, 77478, 79572, 87948, 88578, 90391, 92834, 98420, 99465, 109935, 116217, 119358, 126540, 129130, 132620, 139251, 146580, 147630, 154956, 177156, 180782, 185668, 193695, 198930, 219870, 221445, 232085, 232434, 238716, 245347, 258260, 271173, 278502, 295260, 298395, 361564, 387390, 397860, 417753, 439740, 442890, 451955, 464170, 464868, 490694, 542346, 557004, 581085, 596790, 696255, 736041, 774780, 813519, 835506, 885780, 903910, 928340, 981388, 1084692, 1162170, 1193580, 1226735, 1355865, 1392510, 1472082, 1627038, 1671012, 1717429, 1807820, 2088765, 2208123, 2324340, 2453470, 2711730, 2785020, 2944164, 3254076, 3434858, 3680205, 4067595, 4177530, 4416246, 4906940, 5152287, 5423460, 6869716, 7360410, 8135190, 8355060, 8587145, 8832492, 10304574, 11040615, 14720820, 15456861, 16270380, 17174290, 20609148, 22081230, 25761435, 30913722, 34348580, 44162460, 51522870, 61827444, 77284305, 103045740, 154568610, 309137220]

約数ペア:

[(1, 309137220), (2, 154568610), (3, 103045740), (4, 77284305), (5, 61827444), (6, 51522870), (7, 44162460), (9, 34348580), (10, 30913722), (12, 25761435), (14, 22081230), (15, 20609148), (18, 17174290), (19, 16270380), (20, 15456861), (21, 14720820), (28, 11040615), (30, 10304574), (35, 8832492), (36, 8587145), (37, 8355060), (38, 8135190), (42, 7360410), (45, 6869716), (57, 5423460), (60, 5152287), (63, 4906940), (70, 4416246), (74, 4177530), (76, 4067595), (84, 3680205), (90, 3434858), (95, 3254076), (105, 2944164), (111, 2785020), (114, 2711730), (126, 2453470), (133, 2324340), (140, 2208123), (148, 2088765), (171, 1807820), (180, 1717429), (185, 1671012), (190, 1627038), (210, 1472082), (222, 1392510), (228, 1355865), (252, 1226735), (259, 1193580), (266, 1162170), (285, 1084692), (315, 981388), (333, 928340), (342, 903910), (349, 885780), (370, 835506), (380, 813519), (399, 774780), (420, 736041), (444, 696255), (518, 596790), (532, 581085), (555, 557004), (570, 542346), (630, 490694), (665, 464868), (666, 464170), (684, 451955), (698, 442890), (703, 439740), (740, 417753), (777, 397860), (798, 387390), (855, 361564), (1036, 298395), (1047, 295260), (1110, 278502), (1140, 271173), (1197, 258260), (1260, 245347), (1295, 238716), (1330, 232434), (1332, 232085), (1396, 221445), (1406, 219870), (1554, 198930), (1596, 193695), (1665, 185668), (1710, 180782), (1745, 177156), (1995, 154956), (2094, 147630), (2109, 146580), (2220, 139251), (2331, 132620), (2394, 129130), (2443, 126540), (2590, 119358), (2660, 116217), (2812, 109935), (3108, 99465), (3141, 98420), (3330, 92834), (3420, 90391), (3490, 88578), (3515, 87948), (3885, 79572), (3990, 77478), (4188, 73815), (4218, 73290), (4662, 66310), (4788, 64565), (4886, 63270), (4921, 62820), (5180, 59679), (5235, 59052), (5985, 51652), (6282, 49210), (6327, 48860), (6631, 46620), (6660, 46417), (6980, 44289), (7030, 43974), (7329, 42180), (7770, 39786), (7980, 38739), (8436, 36645), (9324, 33155), (9772, 31635), (9842, 31410), (10470, 29526), (10545, 29316), (11655, 26524), (11970, 25826), (12215, 25308), (12564, 24605), (12654, 24430), (12913, 23940), (13262, 23310), (14060, 21987), (14658, 21090), (14763, 20940), (15540, 19893), (15705, 19684)]