656260920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{12401}}^1$

素因数の和:12435

約数の個数: 192

約数和(自身を含む): 2544890400

約数和(自身を除く): 1888629480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 12401, 13230, 17640, 24802, 26460, 37203, 49604, 52920, 62005, 74406, 86807, 99208, 111609, 124010, 148812, 173614, 186015, 223218, 248020, 260421, 297624, 334827, 347228, 372030, 434035, 446436, 496040, 520842, 558045, 607649, 669654, 694456, 744060, 781263, 868070, 892872, 1041684, 1116090, 1215298, 1302105, 1339308, 1488120, 1562526, 1674135, 1736140, 1822947, 2083368, 2232180, 2343789, 2430596, 2604210, 2678616, 3038245, 3125052, 3348270, 3472280, 3645894, 3906315, 4464360, 4687578, 4861192, 5208420, 5468841, 6076490, 6250104, 6696540, 7291788, 7812630, 9114735, 9375156, 10416840, 10937682, 11718945, 12152980, 13393080, 14583576, 15625260, 16406523, 18229470, 18750312, 21875364, 23437890, 24305960, 27344205, 31250520, 32813046, 36458940, 43750728, 46875780, 54688410, 65626092, 72917880, 82032615, 93751560, 109376820, 131252184, 164065230, 218753640, 328130460, 656260920]

約数ペア:

[(1, 656260920), (2, 328130460), (3, 218753640), (4, 164065230), (5, 131252184), (6, 109376820), (7, 93751560), (8, 82032615), (9, 72917880), (10, 65626092), (12, 54688410), (14, 46875780), (15, 43750728), (18, 36458940), (20, 32813046), (21, 31250520), (24, 27344205), (27, 24305960), (28, 23437890), (30, 21875364), (35, 18750312), (36, 18229470), (40, 16406523), (42, 15625260), (45, 14583576), (49, 13393080), (54, 12152980), (56, 11718945), (60, 10937682), (63, 10416840), (70, 9375156), (72, 9114735), (84, 7812630), (90, 7291788), (98, 6696540), (105, 6250104), (108, 6076490), (120, 5468841), (126, 5208420), (135, 4861192), (140, 4687578), (147, 4464360), (168, 3906315), (180, 3645894), (189, 3472280), (196, 3348270), (210, 3125052), (216, 3038245), (245, 2678616), (252, 2604210), (270, 2430596), (280, 2343789), (294, 2232180), (315, 2083368), (360, 1822947), (378, 1736140), (392, 1674135), (420, 1562526), (441, 1488120), (490, 1339308), (504, 1302105), (540, 1215298), (588, 1116090), (630, 1041684), (735, 892872), (756, 868070), (840, 781263), (882, 744060), (945, 694456), (980, 669654), (1080, 607649), (1176, 558045), (1260, 520842), (1323, 496040), (1470, 446436), (1512, 434035), (1764, 372030), (1890, 347228), (1960, 334827), (2205, 297624), (2520, 260421), (2646, 248020), (2940, 223218), (3528, 186015), (3780, 173614), (4410, 148812), (5292, 124010), (5880, 111609), (6615, 99208), (7560, 86807), (8820, 74406), (10584, 62005), (12401, 52920), (13230, 49604), (17640, 37203), (24802, 26460)]