251176380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 873815040

約数和(自身を除く): 622638660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 179, 182, 195, 210, 257, 260, 273, 358, 364, 390, 420, 455, 514, 537, 546, 716, 771, 780, 895, 910, 1028, 1074, 1092, 1253, 1285, 1365, 1542, 1790, 1799, 1820, 2148, 2327, 2506, 2570, 2685, 2730, 3084, 3341, 3580, 3598, 3759, 3855, 4654, 5012, 5140, 5370, 5397, 5460, 6265, 6682, 6981, 7196, 7518, 7710, 8995, 9308, 10023, 10740, 10794, 11635, 12530, 13364, 13962, 15036, 15420, 16289, 16705, 17990, 18795, 20046, 21588, 23270, 23387, 25060, 26985, 27924, 32578, 33410, 34905, 35980, 37590, 40092, 46003, 46540, 46774, 48867, 50115, 53970, 65156, 66820, 69810, 70161, 75180, 81445, 92006, 93548, 97734, 100230, 107940, 116935, 138009, 139620, 140322, 162890, 184012, 195468, 200460, 230015, 233870, 244335, 276018, 280644, 322021, 325780, 350805, 460030, 467740, 488670, 552036, 598039, 644042, 690045, 701610, 920060, 966063, 977340, 1196078, 1288084, 1380090, 1403220, 1610105, 1794117, 1932126, 2392156, 2760180, 2990195, 3220210, 3588234, 3864252, 4186273, 4830315, 5980390, 6440420, 7176468, 8372546, 8970585, 9660630, 11960780, 12558819, 16745092, 17941170, 19321260, 20931365, 25117638, 35882340, 41862730, 50235276, 62794095, 83725460, 125588190, 251176380]

約数ペア:

[(1, 251176380), (2, 125588190), (3, 83725460), (4, 62794095), (5, 50235276), (6, 41862730), (7, 35882340), (10, 25117638), (12, 20931365), (13, 19321260), (14, 17941170), (15, 16745092), (20, 12558819), (21, 11960780), (26, 9660630), (28, 8970585), (30, 8372546), (35, 7176468), (39, 6440420), (42, 5980390), (52, 4830315), (60, 4186273), (65, 3864252), (70, 3588234), (78, 3220210), (84, 2990195), (91, 2760180), (105, 2392156), (130, 1932126), (140, 1794117), (156, 1610105), (179, 1403220), (182, 1380090), (195, 1288084), (210, 1196078), (257, 977340), (260, 966063), (273, 920060), (358, 701610), (364, 690045), (390, 644042), (420, 598039), (455, 552036), (514, 488670), (537, 467740), (546, 460030), (716, 350805), (771, 325780), (780, 322021), (895, 280644), (910, 276018), (1028, 244335), (1074, 233870), (1092, 230015), (1253, 200460), (1285, 195468), (1365, 184012), (1542, 162890), (1790, 140322), (1799, 139620), (1820, 138009), (2148, 116935), (2327, 107940), (2506, 100230), (2570, 97734), (2685, 93548), (2730, 92006), (3084, 81445), (3341, 75180), (3580, 70161), (3598, 69810), (3759, 66820), (3855, 65156), (4654, 53970), (5012, 50115), (5140, 48867), (5370, 46774), (5397, 46540), (5460, 46003), (6265, 40092), (6682, 37590), (6981, 35980), (7196, 34905), (7518, 33410), (7710, 32578), (8995, 27924), (9308, 26985), (10023, 25060), (10740, 23387), (10794, 23270), (11635, 21588), (12530, 20046), (13364, 18795), (13962, 17990), (15036, 16705), (15420, 16289)]