19007090720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{6967}}^1$

素因数の和:7075

約数の個数: 144

約数和(自身を含む): 48516511680

約数和(自身を除く): 29509420960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 68, 80, 85, 118, 136, 160, 170, 236, 272, 289, 295, 340, 472, 544, 578, 590, 680, 944, 1003, 1156, 1180, 1360, 1445, 1888, 2006, 2312, 2360, 2720, 2890, 4012, 4624, 4720, 5015, 5780, 6967, 8024, 9248, 9440, 10030, 11560, 13934, 16048, 17051, 20060, 23120, 27868, 32096, 34102, 34835, 40120, 46240, 55736, 68204, 69670, 80240, 85255, 111472, 118439, 136408, 139340, 160480, 170510, 222944, 236878, 272816, 278680, 341020, 411053, 473756, 545632, 557360, 592195, 682040, 822106, 947512, 1114720, 1184390, 1364080, 1644212, 1895024, 2013463, 2055265, 2368780, 2728160, 3288424, 3790048, 4026926, 4110530, 4737560, 6576848, 6987901, 8053852, 8221060, 9475120, 10067315, 13153696, 13975802, 16107704, 16442120, 18950240, 20134630, 27951604, 32215408, 32884240, 34939505, 40269260, 55903208, 64430816, 65768480, 69879010, 80538520, 111806416, 118794317, 139758020, 161077040, 223612832, 237588634, 279516040, 322154080, 475177268, 559032080, 593971585, 950354536, 1118064160, 1187943170, 1900709072, 2375886340, 3801418144, 4751772680, 9503545360, 19007090720]

約数ペア:

[(1, 19007090720), (2, 9503545360), (4, 4751772680), (5, 3801418144), (8, 2375886340), (10, 1900709072), (16, 1187943170), (17, 1118064160), (20, 950354536), (32, 593971585), (34, 559032080), (40, 475177268), (59, 322154080), (68, 279516040), (80, 237588634), (85, 223612832), (118, 161077040), (136, 139758020), (160, 118794317), (170, 111806416), (236, 80538520), (272, 69879010), (289, 65768480), (295, 64430816), (340, 55903208), (472, 40269260), (544, 34939505), (578, 32884240), (590, 32215408), (680, 27951604), (944, 20134630), (1003, 18950240), (1156, 16442120), (1180, 16107704), (1360, 13975802), (1445, 13153696), (1888, 10067315), (2006, 9475120), (2312, 8221060), (2360, 8053852), (2720, 6987901), (2890, 6576848), (4012, 4737560), (4624, 4110530), (4720, 4026926), (5015, 3790048), (5780, 3288424), (6967, 2728160), (8024, 2368780), (9248, 2055265), (9440, 2013463), (10030, 1895024), (11560, 1644212), (13934, 1364080), (16048, 1184390), (17051, 1114720), (20060, 947512), (23120, 822106), (27868, 682040), (32096, 592195), (34102, 557360), (34835, 545632), (40120, 473756), (46240, 411053), (55736, 341020), (68204, 278680), (69670, 272816), (80240, 236878), (85255, 222944), (111472, 170510), (118439, 160480), (136408, 139340)]