287140920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 998524800

約数和(自身を除く): 711383880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 107, 110, 114, 120, 132, 152, 165, 190, 209, 214, 220, 228, 264, 285, 321, 330, 380, 418, 428, 440, 456, 535, 570, 627, 642, 660, 760, 836, 856, 1045, 1070, 1140, 1177, 1254, 1284, 1320, 1605, 1672, 2033, 2090, 2140, 2280, 2354, 2508, 2568, 3135, 3210, 3531, 4066, 4180, 4280, 4708, 5016, 5885, 6099, 6270, 6420, 7062, 8132, 8360, 9416, 10165, 11449, 11770, 12198, 12540, 12840, 14124, 16264, 17655, 20330, 22363, 22898, 23540, 24396, 25080, 28248, 30495, 34347, 35310, 40660, 44726, 45796, 47080, 48792, 57245, 60990, 67089, 68694, 70620, 81320, 89452, 91592, 111815, 114490, 121980, 125939, 134178, 137388, 141240, 171735, 178904, 217531, 223630, 228980, 243960, 251878, 268356, 274776, 335445, 343470, 377817, 435062, 447260, 457960, 503756, 536712, 629695, 652593, 670890, 686940, 755634, 870124, 894520, 1007512, 1087655, 1259390, 1305186, 1341780, 1373880, 1511268, 1740248, 1889085, 2175310, 2392841, 2518780, 2610372, 2683560, 3022536, 3262965, 3778170, 4350620, 4785682, 5037560, 5220744, 6525930, 7178523, 7556340, 8701240, 9571364, 11964205, 13051860, 14357046, 15112680, 19142728, 23928410, 26103720, 28714092, 35892615, 47856820, 57428184, 71785230, 95713640, 143570460, 287140920]

約数ペア:

[(1, 287140920), (2, 143570460), (3, 95713640), (4, 71785230), (5, 57428184), (6, 47856820), (8, 35892615), (10, 28714092), (11, 26103720), (12, 23928410), (15, 19142728), (19, 15112680), (20, 14357046), (22, 13051860), (24, 11964205), (30, 9571364), (33, 8701240), (38, 7556340), (40, 7178523), (44, 6525930), (55, 5220744), (57, 5037560), (60, 4785682), (66, 4350620), (76, 3778170), (88, 3262965), (95, 3022536), (107, 2683560), (110, 2610372), (114, 2518780), (120, 2392841), (132, 2175310), (152, 1889085), (165, 1740248), (190, 1511268), (209, 1373880), (214, 1341780), (220, 1305186), (228, 1259390), (264, 1087655), (285, 1007512), (321, 894520), (330, 870124), (380, 755634), (418, 686940), (428, 670890), (440, 652593), (456, 629695), (535, 536712), (570, 503756), (627, 457960), (642, 447260), (660, 435062), (760, 377817), (836, 343470), (856, 335445), (1045, 274776), (1070, 268356), (1140, 251878), (1177, 243960), (1254, 228980), (1284, 223630), (1320, 217531), (1605, 178904), (1672, 171735), (2033, 141240), (2090, 137388), (2140, 134178), (2280, 125939), (2354, 121980), (2508, 114490), (2568, 111815), (3135, 91592), (3210, 89452), (3531, 81320), (4066, 70620), (4180, 68694), (4280, 67089), (4708, 60990), (5016, 57245), (5885, 48792), (6099, 47080), (6270, 45796), (6420, 44726), (7062, 40660), (8132, 35310), (8360, 34347), (9416, 30495), (10165, 28248), (11449, 25080), (11770, 24396), (12198, 23540), (12540, 22898), (12840, 22363), (14124, 20330), (16264, 17655)]