178930920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{769}}^1$

素因数の和:1067

約数の個数: 128

約数和(自身を含む): 616492800

約数和(自身を除く): 437561880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 277, 280, 420, 554, 769, 831, 840, 1108, 1385, 1538, 1662, 1939, 2216, 2307, 2770, 3076, 3324, 3845, 3878, 4155, 4614, 5383, 5540, 5817, 6152, 6648, 7690, 7756, 8310, 9228, 9695, 10766, 11080, 11535, 11634, 15380, 15512, 16149, 16620, 18456, 19390, 21532, 23070, 23268, 26915, 29085, 30760, 32298, 33240, 38780, 43064, 46140, 46536, 53830, 58170, 64596, 77560, 80745, 92280, 107660, 116340, 129192, 161490, 213013, 215320, 232680, 322980, 426026, 639039, 645960, 852052, 1065065, 1278078, 1491091, 1704104, 2130130, 2556156, 2982182, 3195195, 4260260, 4473273, 5112312, 5964364, 6390390, 7455455, 8520520, 8946546, 11928728, 12780780, 14910910, 17893092, 22366365, 25561560, 29821820, 35786184, 44732730, 59643640, 89465460, 178930920]

約数ペア:

[(1, 178930920), (2, 89465460), (3, 59643640), (4, 44732730), (5, 35786184), (6, 29821820), (7, 25561560), (8, 22366365), (10, 17893092), (12, 14910910), (14, 12780780), (15, 11928728), (20, 8946546), (21, 8520520), (24, 7455455), (28, 6390390), (30, 5964364), (35, 5112312), (40, 4473273), (42, 4260260), (56, 3195195), (60, 2982182), (70, 2556156), (84, 2130130), (105, 1704104), (120, 1491091), (140, 1278078), (168, 1065065), (210, 852052), (277, 645960), (280, 639039), (420, 426026), (554, 322980), (769, 232680), (831, 215320), (840, 213013), (1108, 161490), (1385, 129192), (1538, 116340), (1662, 107660), (1939, 92280), (2216, 80745), (2307, 77560), (2770, 64596), (3076, 58170), (3324, 53830), (3845, 46536), (3878, 46140), (4155, 43064), (4614, 38780), (5383, 33240), (5540, 32298), (5817, 30760), (6152, 29085), (6648, 26915), (7690, 23268), (7756, 23070), (8310, 21532), (9228, 19390), (9695, 18456), (10766, 16620), (11080, 16149), (11535, 15512), (11634, 15380)]