20914390080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142391}}^1$

素因数の和:142434

約数の個数: 224

約数和(自身を含む): 78121946880

約数和(自身を除く): 57207556800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 432, 459, 480, 510, 540, 544, 576, 612, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 2040, 2160, 2295, 2448, 2720, 2880, 3060, 3264, 3672, 4080, 4320, 4590, 4896, 5440, 6120, 7344, 8160, 8640, 9180, 9792, 12240, 14688, 16320, 18360, 24480, 29376, 36720, 48960, 73440, 142391, 146880, 284782, 427173, 569564, 711955, 854346, 1139128, 1281519, 1423910, 1708692, 2135865, 2278256, 2420647, 2563038, 2847820, 3417384, 3844557, 4271730, 4556512, 4841294, 5126076, 5695640, 6407595, 6834768, 7261941, 7689114, 8543460, 9113024, 9682588, 10252152, 11391280, 12103235, 12815190, 13669536, 14523882, 15378228, 17086920, 19222785, 19365176, 20504304, 21785823, 22782560, 24206470, 25630380, 27339072, 29047764, 30756456, 34173840, 36309705, 38445570, 38730352, 41008608, 43571646, 45565120, 48412940, 51260760, 58095528, 61512912, 65357469, 68347680, 72619410, 76891140, 77460704, 82017216, 87143292, 96825880, 102521520, 108929115, 116191056, 123025824, 130714938, 136695360, 145238820, 153782280, 154921408, 174286584, 193651760, 205043040, 217858230, 232382112, 246051648, 261429876, 290477640, 307564560, 326787345, 348573168, 387303520, 410086080, 435716460, 464764224, 522859752, 580955280, 615129120, 653574690, 697146336, 774607040, 871432920, 1045719504, 1161910560, 1230258240, 1307149380, 1394292672, 1742865840, 2091439008, 2323821120, 2614298760, 3485731680, 4182878016, 5228597520, 6971463360, 10457195040, 20914390080]

約数ペア:

[(1, 20914390080), (2, 10457195040), (3, 6971463360), (4, 5228597520), (5, 4182878016), (6, 3485731680), (8, 2614298760), (9, 2323821120), (10, 2091439008), (12, 1742865840), (15, 1394292672), (16, 1307149380), (17, 1230258240), (18, 1161910560), (20, 1045719504), (24, 871432920), (27, 774607040), (30, 697146336), (32, 653574690), (34, 615129120), (36, 580955280), (40, 522859752), (45, 464764224), (48, 435716460), (51, 410086080), (54, 387303520), (60, 348573168), (64, 326787345), (68, 307564560), (72, 290477640), (80, 261429876), (85, 246051648), (90, 232382112), (96, 217858230), (102, 205043040), (108, 193651760), (120, 174286584), (135, 154921408), (136, 153782280), (144, 145238820), (153, 136695360), (160, 130714938), (170, 123025824), (180, 116191056), (192, 108929115), (204, 102521520), (216, 96825880), (240, 87143292), (255, 82017216), (270, 77460704), (272, 76891140), (288, 72619410), (306, 68347680), (320, 65357469), (340, 61512912), (360, 58095528), (408, 51260760), (432, 48412940), (459, 45565120), (480, 43571646), (510, 41008608), (540, 38730352), (544, 38445570), (576, 36309705), (612, 34173840), (680, 30756456), (720, 29047764), (765, 27339072), (816, 25630380), (864, 24206470), (918, 22782560), (960, 21785823), (1020, 20504304), (1080, 19365176), (1088, 19222785), (1224, 17086920), (1360, 15378228), (1440, 14523882), (1530, 13669536), (1632, 12815190), (1728, 12103235), (1836, 11391280), (2040, 10252152), (2160, 9682588), (2295, 9113024), (2448, 8543460), (2720, 7689114), (2880, 7261941), (3060, 6834768), (3264, 6407595), (3672, 5695640), (4080, 5126076), (4320, 4841294), (4590, 4556512), (4896, 4271730), (5440, 3844557), (6120, 3417384), (7344, 2847820), (8160, 2563038), (8640, 2420647), (9180, 2278256), (9792, 2135865), (12240, 1708692), (14688, 1423910), (16320, 1281519), (18360, 1139128), (24480, 854346), (29376, 711955), (36720, 569564), (48960, 427173), (73440, 284782), (142391, 146880)]