17661420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 62270208

約数和(自身を除く): 44608788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 107, 126, 131, 140, 180, 210, 214, 252, 262, 315, 321, 393, 420, 428, 524, 535, 630, 642, 655, 749, 786, 917, 963, 1070, 1179, 1260, 1284, 1310, 1498, 1572, 1605, 1834, 1926, 1965, 2140, 2247, 2358, 2620, 2751, 2996, 3210, 3668, 3745, 3852, 3930, 4494, 4585, 4716, 4815, 5502, 5895, 6420, 6741, 7490, 7860, 8253, 8988, 9170, 9630, 11004, 11235, 11790, 13482, 13755, 14017, 14980, 16506, 18340, 19260, 22470, 23580, 26964, 27510, 28034, 33012, 33705, 41265, 42051, 44940, 55020, 56068, 67410, 70085, 82530, 84102, 98119, 126153, 134820, 140170, 165060, 168204, 196238, 210255, 252306, 280340, 294357, 392476, 420510, 490595, 504612, 588714, 630765, 841020, 883071, 981190, 1177428, 1261530, 1471785, 1766142, 1962380, 2523060, 2943570, 3532284, 4415355, 5887140, 8830710, 17661420]

約数ペア:

[(1, 17661420), (2, 8830710), (3, 5887140), (4, 4415355), (5, 3532284), (6, 2943570), (7, 2523060), (9, 1962380), (10, 1766142), (12, 1471785), (14, 1261530), (15, 1177428), (18, 981190), (20, 883071), (21, 841020), (28, 630765), (30, 588714), (35, 504612), (36, 490595), (42, 420510), (45, 392476), (60, 294357), (63, 280340), (70, 252306), (84, 210255), (90, 196238), (105, 168204), (107, 165060), (126, 140170), (131, 134820), (140, 126153), (180, 98119), (210, 84102), (214, 82530), (252, 70085), (262, 67410), (315, 56068), (321, 55020), (393, 44940), (420, 42051), (428, 41265), (524, 33705), (535, 33012), (630, 28034), (642, 27510), (655, 26964), (749, 23580), (786, 22470), (917, 19260), (963, 18340), (1070, 16506), (1179, 14980), (1260, 14017), (1284, 13755), (1310, 13482), (1498, 11790), (1572, 11235), (1605, 11004), (1834, 9630), (1926, 9170), (1965, 8988), (2140, 8253), (2247, 7860), (2358, 7490), (2620, 6741), (2751, 6420), (2996, 5895), (3210, 5502), (3668, 4815), (3745, 4716), (3852, 4585), (3930, 4494)]