395837520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 240

約数和(自身を含む): 1406993280

約数和(自身を除く): 1011155760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 289, 312, 340, 390, 408, 439, 442, 510, 520, 578, 624, 663, 680, 780, 816, 867, 878, 884, 1020, 1040, 1105, 1156, 1317, 1326, 1360, 1445, 1560, 1734, 1756, 1768, 2040, 2195, 2210, 2312, 2634, 2652, 2890, 3120, 3315, 3468, 3512, 3536, 3757, 4080, 4335, 4390, 4420, 4624, 5268, 5304, 5707, 5780, 6585, 6630, 6936, 7024, 7463, 7514, 8670, 8780, 8840, 10536, 10608, 11271, 11414, 11560, 13170, 13260, 13872, 14926, 15028, 17121, 17340, 17560, 17680, 18785, 21072, 22389, 22542, 22828, 23120, 26340, 26520, 28535, 29852, 30056, 34242, 34680, 35120, 37315, 37570, 44778, 45084, 45656, 52680, 53040, 56355, 57070, 59704, 60112, 68484, 69360, 74630, 75140, 85605, 89556, 90168, 91312, 97019, 105360, 111945, 112710, 114140, 119408, 126871, 136968, 149260, 150280, 171210, 179112, 180336, 194038, 223890, 225420, 228280, 253742, 273936, 291057, 298520, 300560, 342420, 358224, 380613, 388076, 447780, 450840, 456560, 485095, 507484, 582114, 597040, 634355, 684840, 761226, 776152, 895560, 901680, 970190, 1014968, 1164228, 1268710, 1369680, 1455285, 1522452, 1552304, 1649323, 1791120, 1903065, 1940380, 2029936, 2328456, 2537420, 2910570, 3044904, 3298646, 3806130, 3880760, 4656912, 4947969, 5074840, 5821140, 6089808, 6597292, 7612260, 7761520, 8246615, 9895938, 10149680, 11642280, 13194584, 15224520, 16493230, 19791876, 23284560, 24739845, 26389168, 30449040, 32986460, 39583752, 49479690, 65972920, 79167504, 98959380, 131945840, 197918760, 395837520]

約数ペア:

[(1, 395837520), (2, 197918760), (3, 131945840), (4, 98959380), (5, 79167504), (6, 65972920), (8, 49479690), (10, 39583752), (12, 32986460), (13, 30449040), (15, 26389168), (16, 24739845), (17, 23284560), (20, 19791876), (24, 16493230), (26, 15224520), (30, 13194584), (34, 11642280), (39, 10149680), (40, 9895938), (48, 8246615), (51, 7761520), (52, 7612260), (60, 6597292), (65, 6089808), (68, 5821140), (78, 5074840), (80, 4947969), (85, 4656912), (102, 3880760), (104, 3806130), (120, 3298646), (130, 3044904), (136, 2910570), (156, 2537420), (170, 2328456), (195, 2029936), (204, 1940380), (208, 1903065), (221, 1791120), (240, 1649323), (255, 1552304), (260, 1522452), (272, 1455285), (289, 1369680), (312, 1268710), (340, 1164228), (390, 1014968), (408, 970190), (439, 901680), (442, 895560), (510, 776152), (520, 761226), (578, 684840), (624, 634355), (663, 597040), (680, 582114), (780, 507484), (816, 485095), (867, 456560), (878, 450840), (884, 447780), (1020, 388076), (1040, 380613), (1105, 358224), (1156, 342420), (1317, 300560), (1326, 298520), (1360, 291057), (1445, 273936), (1560, 253742), (1734, 228280), (1756, 225420), (1768, 223890), (2040, 194038), (2195, 180336), (2210, 179112), (2312, 171210), (2634, 150280), (2652, 149260), (2890, 136968), (3120, 126871), (3315, 119408), (3468, 114140), (3512, 112710), (3536, 111945), (3757, 105360), (4080, 97019), (4335, 91312), (4390, 90168), (4420, 89556), (4624, 85605), (5268, 75140), (5304, 74630), (5707, 69360), (5780, 68484), (6585, 60112), (6630, 59704), (6936, 57070), (7024, 56355), (7463, 53040), (7514, 52680), (8670, 45656), (8780, 45084), (8840, 44778), (10536, 37570), (10608, 37315), (11271, 35120), (11414, 34680), (11560, 34242), (13170, 30056), (13260, 29852), (13872, 28535), (14926, 26520), (15028, 26340), (17121, 23120), (17340, 22828), (17560, 22542), (17680, 22389), (18785, 21072)]