121560180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 399893760

約数和(自身を除く): 278333580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 173, 196, 210, 239, 245, 294, 346, 420, 478, 490, 519, 588, 692, 717, 735, 865, 956, 980, 1038, 1195, 1211, 1434, 1470, 1673, 1730, 2076, 2390, 2422, 2595, 2868, 2940, 3346, 3460, 3585, 3633, 4780, 4844, 5019, 5190, 6055, 6692, 7170, 7266, 8365, 8477, 10038, 10380, 11711, 12110, 14340, 14532, 16730, 16954, 18165, 20076, 23422, 24220, 25095, 25431, 33460, 33908, 35133, 36330, 41347, 42385, 46844, 50190, 50862, 58555, 70266, 72660, 82694, 84770, 100380, 101724, 117110, 124041, 127155, 140532, 165388, 169540, 175665, 206735, 234220, 248082, 254310, 289429, 351330, 413470, 496164, 508620, 578858, 620205, 702660, 826940, 868287, 1157716, 1240410, 1447145, 1736574, 2026003, 2480820, 2894290, 3473148, 4052006, 4341435, 5788580, 6078009, 8104012, 8682870, 10130015, 12156018, 17365740, 20260030, 24312036, 30390045, 40520060, 60780090, 121560180]

約数ペア:

[(1, 121560180), (2, 60780090), (3, 40520060), (4, 30390045), (5, 24312036), (6, 20260030), (7, 17365740), (10, 12156018), (12, 10130015), (14, 8682870), (15, 8104012), (20, 6078009), (21, 5788580), (28, 4341435), (30, 4052006), (35, 3473148), (42, 2894290), (49, 2480820), (60, 2026003), (70, 1736574), (84, 1447145), (98, 1240410), (105, 1157716), (140, 868287), (147, 826940), (173, 702660), (196, 620205), (210, 578858), (239, 508620), (245, 496164), (294, 413470), (346, 351330), (420, 289429), (478, 254310), (490, 248082), (519, 234220), (588, 206735), (692, 175665), (717, 169540), (735, 165388), (865, 140532), (956, 127155), (980, 124041), (1038, 117110), (1195, 101724), (1211, 100380), (1434, 84770), (1470, 82694), (1673, 72660), (1730, 70266), (2076, 58555), (2390, 50862), (2422, 50190), (2595, 46844), (2868, 42385), (2940, 41347), (3346, 36330), (3460, 35133), (3585, 33908), (3633, 33460), (4780, 25431), (4844, 25095), (5019, 24220), (5190, 23422), (6055, 20076), (6692, 18165), (7170, 16954), (7266, 16730), (8365, 14532), (8477, 14340), (10038, 12110), (10380, 11711)]