40268280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 132088320

約数和(自身を除く): 91820040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 249, 260, 311, 312, 332, 390, 415, 498, 520, 622, 664, 780, 830, 933, 996, 1079, 1244, 1245, 1555, 1560, 1660, 1866, 1992, 2158, 2488, 2490, 3110, 3237, 3320, 3732, 4043, 4316, 4665, 4980, 5395, 6220, 6474, 7464, 8086, 8632, 9330, 9960, 10790, 12129, 12440, 12948, 16172, 16185, 18660, 20215, 21580, 24258, 25813, 25896, 32344, 32370, 37320, 40430, 43160, 48516, 51626, 60645, 64740, 77439, 80860, 97032, 103252, 121290, 129065, 129480, 154878, 161720, 206504, 242580, 258130, 309756, 335569, 387195, 485160, 516260, 619512, 671138, 774390, 1006707, 1032520, 1342276, 1548780, 1677845, 2013414, 2684552, 3097560, 3355690, 4026828, 5033535, 6711380, 8053656, 10067070, 13422760, 20134140, 40268280]

約数ペア:

[(1, 40268280), (2, 20134140), (3, 13422760), (4, 10067070), (5, 8053656), (6, 6711380), (8, 5033535), (10, 4026828), (12, 3355690), (13, 3097560), (15, 2684552), (20, 2013414), (24, 1677845), (26, 1548780), (30, 1342276), (39, 1032520), (40, 1006707), (52, 774390), (60, 671138), (65, 619512), (78, 516260), (83, 485160), (104, 387195), (120, 335569), (130, 309756), (156, 258130), (166, 242580), (195, 206504), (249, 161720), (260, 154878), (311, 129480), (312, 129065), (332, 121290), (390, 103252), (415, 97032), (498, 80860), (520, 77439), (622, 64740), (664, 60645), (780, 51626), (830, 48516), (933, 43160), (996, 40430), (1079, 37320), (1244, 32370), (1245, 32344), (1555, 25896), (1560, 25813), (1660, 24258), (1866, 21580), (1992, 20215), (2158, 18660), (2488, 16185), (2490, 16172), (3110, 12948), (3237, 12440), (3320, 12129), (3732, 10790), (4043, 9960), (4316, 9330), (4665, 8632), (4980, 8086), (5395, 7464), (6220, 6474)]