20180121570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{4259}}^1$

素因数の和:4414

約数の個数: 256

約数和(自身を含む): 64779264000

約数和(自身を除く): 44599142430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 109, 115, 126, 135, 138, 161, 189, 207, 210, 218, 230, 270, 315, 322, 327, 345, 378, 414, 483, 545, 621, 630, 654, 690, 763, 805, 945, 966, 981, 1035, 1090, 1242, 1449, 1526, 1610, 1635, 1890, 1962, 2070, 2289, 2415, 2507, 2898, 2943, 3105, 3270, 3815, 4259, 4347, 4578, 4830, 4905, 5014, 5886, 6210, 6867, 7245, 7521, 7630, 8518, 8694, 9810, 11445, 12535, 12777, 13734, 14490, 14715, 15042, 17549, 20601, 21295, 21735, 22563, 22890, 25070, 25554, 29430, 29813, 34335, 35098, 37605, 38331, 41202, 42590, 43470, 45126, 52647, 59626, 63885, 67689, 68670, 75210, 76662, 87745, 89439, 97957, 103005, 105294, 112815, 114993, 127770, 135378, 149065, 157941, 175490, 178878, 191655, 195914, 206010, 225630, 229986, 263235, 268317, 293871, 298130, 315882, 338445, 383310, 447195, 464231, 473823, 489785, 526470, 536634, 574965, 587742, 676890, 685699, 789705, 804951, 881613, 894390, 928462, 947646, 979570, 1149930, 1341585, 1371398, 1392693, 1469355, 1579410, 1609902, 1763226, 2057097, 2321155, 2369115, 2644839, 2683170, 2785386, 2938710, 3249617, 3428495, 4024755, 4114194, 4178079, 4408065, 4642310, 4738230, 5289678, 6171291, 6499234, 6856990, 6963465, 8049510, 8356158, 8816130, 9748851, 10285485, 10677313, 12342582, 12534237, 13224195, 13926930, 16248085, 18513873, 19497702, 20570970, 20890395, 21354626, 25068474, 26448390, 29246553, 30856455, 32031939, 32496170, 37027746, 41780790, 48744255, 53386565, 58493106, 61712910, 62671185, 64063878, 74741191, 87739659, 92569365, 96095817, 97488510, 106773130, 125342370, 146232765, 149482382, 160159695, 175479318, 185138730, 192191634, 224223573, 288287451, 292465530, 320319390, 373705955, 438698295, 448447146, 480479085, 576574902, 672670719, 747411910, 877396590, 960958170, 1121117865, 1345341438, 1441437255, 2018012157, 2242235730, 2882874510, 3363353595, 4036024314, 6726707190, 10090060785, 20180121570]

約数ペア:

[(1, 20180121570), (2, 10090060785), (3, 6726707190), (5, 4036024314), (6, 3363353595), (7, 2882874510), (9, 2242235730), (10, 2018012157), (14, 1441437255), (15, 1345341438), (18, 1121117865), (21, 960958170), (23, 877396590), (27, 747411910), (30, 672670719), (35, 576574902), (42, 480479085), (45, 448447146), (46, 438698295), (54, 373705955), (63, 320319390), (69, 292465530), (70, 288287451), (90, 224223573), (105, 192191634), (109, 185138730), (115, 175479318), (126, 160159695), (135, 149482382), (138, 146232765), (161, 125342370), (189, 106773130), (207, 97488510), (210, 96095817), (218, 92569365), (230, 87739659), (270, 74741191), (315, 64063878), (322, 62671185), (327, 61712910), (345, 58493106), (378, 53386565), (414, 48744255), (483, 41780790), (545, 37027746), (621, 32496170), (630, 32031939), (654, 30856455), (690, 29246553), (763, 26448390), (805, 25068474), (945, 21354626), (966, 20890395), (981, 20570970), (1035, 19497702), (1090, 18513873), (1242, 16248085), (1449, 13926930), (1526, 13224195), (1610, 12534237), (1635, 12342582), (1890, 10677313), (1962, 10285485), (2070, 9748851), (2289, 8816130), (2415, 8356158), (2507, 8049510), (2898, 6963465), (2943, 6856990), (3105, 6499234), (3270, 6171291), (3815, 5289678), (4259, 4738230), (4347, 4642310), (4578, 4408065), (4830, 4178079), (4905, 4114194), (5014, 4024755), (5886, 3428495), (6210, 3249617), (6867, 2938710), (7245, 2785386), (7521, 2683170), (7630, 2644839), (8518, 2369115), (8694, 2321155), (9810, 2057097), (11445, 1763226), (12535, 1609902), (12777, 1579410), (13734, 1469355), (14490, 1392693), (14715, 1371398), (15042, 1341585), (17549, 1149930), (20601, 979570), (21295, 947646), (21735, 928462), (22563, 894390), (22890, 881613), (25070, 804951), (25554, 789705), (29430, 685699), (29813, 676890), (34335, 587742), (35098, 574965), (37605, 536634), (38331, 526470), (41202, 489785), (42590, 473823), (43470, 464231), (45126, 447195), (52647, 383310), (59626, 338445), (63885, 315882), (67689, 298130), (68670, 293871), (75210, 268317), (76662, 263235), (87745, 229986), (89439, 225630), (97957, 206010), (103005, 195914), (105294, 191655), (112815, 178878), (114993, 175490), (127770, 157941), (135378, 149065)]