55496840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 153964800

約数和(自身を除く): 98467960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 89, 119, 131, 136, 140, 170, 178, 238, 262, 280, 340, 356, 445, 476, 524, 595, 623, 655, 680, 712, 890, 917, 952, 1048, 1190, 1246, 1310, 1513, 1780, 1834, 2227, 2380, 2492, 2620, 3026, 3115, 3560, 3668, 4454, 4585, 4760, 4984, 5240, 6052, 6230, 7336, 7565, 8908, 9170, 10591, 11135, 11659, 12104, 12460, 15130, 15589, 17816, 18340, 21182, 22270, 23318, 24920, 30260, 31178, 36680, 42364, 44540, 46636, 52955, 58295, 60520, 62356, 77945, 81613, 84728, 89080, 93272, 105910, 116590, 124712, 155890, 163226, 198203, 211820, 233180, 311780, 326452, 396406, 408065, 423640, 466360, 623560, 652904, 792812, 816130, 991015, 1387421, 1585624, 1632260, 1982030, 2774842, 3264520, 3964060, 5549684, 6937105, 7928120, 11099368, 13874210, 27748420, 55496840]

約数ペア:

[(1, 55496840), (2, 27748420), (4, 13874210), (5, 11099368), (7, 7928120), (8, 6937105), (10, 5549684), (14, 3964060), (17, 3264520), (20, 2774842), (28, 1982030), (34, 1632260), (35, 1585624), (40, 1387421), (56, 991015), (68, 816130), (70, 792812), (85, 652904), (89, 623560), (119, 466360), (131, 423640), (136, 408065), (140, 396406), (170, 326452), (178, 311780), (238, 233180), (262, 211820), (280, 198203), (340, 163226), (356, 155890), (445, 124712), (476, 116590), (524, 105910), (595, 93272), (623, 89080), (655, 84728), (680, 81613), (712, 77945), (890, 62356), (917, 60520), (952, 58295), (1048, 52955), (1190, 46636), (1246, 44540), (1310, 42364), (1513, 36680), (1780, 31178), (1834, 30260), (2227, 24920), (2380, 23318), (2492, 22270), (2620, 21182), (3026, 18340), (3115, 17816), (3560, 15589), (3668, 15130), (4454, 12460), (4585, 12104), (4760, 11659), (4984, 11135), (5240, 10591), (6052, 9170), (6230, 8908), (7336, 7565)]