198677880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2682

約数の個数: 128

約数和(自身を含む): 671846400

約数和(自身を除く): 473168520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2591, 2840, 3195, 3834, 4260, 5112, 5182, 6390, 7668, 7773, 8520, 9585, 10364, 12780, 12955, 15336, 15546, 19170, 20728, 23319, 25560, 25910, 31092, 38340, 38865, 46638, 51820, 62184, 69957, 76680, 77730, 93276, 103640, 116595, 139914, 155460, 183961, 186552, 233190, 279828, 310920, 349785, 367922, 466380, 551883, 559656, 699570, 735844, 919805, 932760, 1103766, 1399140, 1471688, 1655649, 1839610, 2207532, 2759415, 2798280, 3311298, 3679220, 4415064, 4966947, 5518830, 6622596, 7358440, 8278245, 9933894, 11037660, 13245192, 16556490, 19867788, 22075320, 24834735, 33112980, 39735576, 49669470, 66225960, 99338940, 198677880]

約数ペア:

[(1, 198677880), (2, 99338940), (3, 66225960), (4, 49669470), (5, 39735576), (6, 33112980), (8, 24834735), (9, 22075320), (10, 19867788), (12, 16556490), (15, 13245192), (18, 11037660), (20, 9933894), (24, 8278245), (27, 7358440), (30, 6622596), (36, 5518830), (40, 4966947), (45, 4415064), (54, 3679220), (60, 3311298), (71, 2798280), (72, 2759415), (90, 2207532), (108, 1839610), (120, 1655649), (135, 1471688), (142, 1399140), (180, 1103766), (213, 932760), (216, 919805), (270, 735844), (284, 699570), (355, 559656), (360, 551883), (426, 466380), (540, 367922), (568, 349785), (639, 310920), (710, 279828), (852, 233190), (1065, 186552), (1080, 183961), (1278, 155460), (1420, 139914), (1704, 116595), (1917, 103640), (2130, 93276), (2556, 77730), (2591, 76680), (2840, 69957), (3195, 62184), (3834, 51820), (4260, 46638), (5112, 38865), (5182, 38340), (6390, 31092), (7668, 25910), (7773, 25560), (8520, 23319), (9585, 20728), (10364, 19170), (12780, 15546), (12955, 15336)]