31387654320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{150497}}^1$

素因数の和:150603

約数の個数: 160

約数和(自身を含む): 107491691520

約数和(自身を除く): 76104037200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 79, 80, 88, 110, 120, 132, 158, 165, 176, 220, 237, 240, 264, 316, 330, 395, 440, 474, 528, 632, 660, 790, 869, 880, 948, 1185, 1264, 1320, 1580, 1738, 1896, 2370, 2607, 2640, 3160, 3476, 3792, 4345, 4740, 5214, 6320, 6952, 8690, 9480, 10428, 13035, 13904, 17380, 18960, 20856, 26070, 34760, 41712, 52140, 69520, 104280, 150497, 208560, 300994, 451491, 601988, 752485, 902982, 1203976, 1504970, 1655467, 1805964, 2257455, 2407952, 3009940, 3310934, 3611928, 4514910, 4966401, 6019880, 6621868, 7223856, 8277335, 9029820, 9932802, 11889263, 12039760, 13243736, 16554670, 18059640, 19865604, 23778526, 24832005, 26487472, 33109340, 35667789, 36119280, 39731208, 47557052, 49664010, 59446315, 66218680, 71335578, 79462416, 95114104, 99328020, 118892630, 130781893, 132437360, 142671156, 178338945, 190228208, 198656040, 237785260, 261563786, 285342312, 356677890, 392345679, 397312080, 475570520, 523127572, 570684624, 653909465, 713355780, 784691358, 951141040, 1046255144, 1307818930, 1426711560, 1569382716, 1961728395, 2092510288, 2615637860, 2853423120, 3138765432, 3923456790, 5231275720, 6277530864, 7846913580, 10462551440, 15693827160, 31387654320]

約数ペア:

[(1, 31387654320), (2, 15693827160), (3, 10462551440), (4, 7846913580), (5, 6277530864), (6, 5231275720), (8, 3923456790), (10, 3138765432), (11, 2853423120), (12, 2615637860), (15, 2092510288), (16, 1961728395), (20, 1569382716), (22, 1426711560), (24, 1307818930), (30, 1046255144), (33, 951141040), (40, 784691358), (44, 713355780), (48, 653909465), (55, 570684624), (60, 523127572), (66, 475570520), (79, 397312080), (80, 392345679), (88, 356677890), (110, 285342312), (120, 261563786), (132, 237785260), (158, 198656040), (165, 190228208), (176, 178338945), (220, 142671156), (237, 132437360), (240, 130781893), (264, 118892630), (316, 99328020), (330, 95114104), (395, 79462416), (440, 71335578), (474, 66218680), (528, 59446315), (632, 49664010), (660, 47557052), (790, 39731208), (869, 36119280), (880, 35667789), (948, 33109340), (1185, 26487472), (1264, 24832005), (1320, 23778526), (1580, 19865604), (1738, 18059640), (1896, 16554670), (2370, 13243736), (2607, 12039760), (2640, 11889263), (3160, 9932802), (3476, 9029820), (3792, 8277335), (4345, 7223856), (4740, 6621868), (5214, 6019880), (6320, 4966401), (6952, 4514910), (8690, 3611928), (9480, 3310934), (10428, 3009940), (13035, 2407952), (13904, 2257455), (17380, 1805964), (18960, 1655467), (20856, 1504970), (26070, 1203976), (34760, 902982), (41712, 752485), (52140, 601988), (69520, 451491), (104280, 300994), (150497, 208560)]