30785580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 108972864

約数和(自身を除く): 78187284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 461, 477, 530, 630, 636, 742, 795, 922, 954, 1060, 1113, 1260, 1383, 1484, 1590, 1844, 1855, 1908, 2226, 2305, 2385, 2766, 3180, 3227, 3339, 3710, 4149, 4452, 4610, 4770, 5532, 5565, 6454, 6678, 6915, 7420, 8298, 9220, 9540, 9681, 11130, 12908, 13356, 13830, 16135, 16596, 16695, 19362, 20745, 22260, 24433, 27660, 29043, 32270, 33390, 38724, 41490, 48405, 48866, 58086, 64540, 66780, 73299, 82980, 96810, 97732, 116172, 122165, 145215, 146598, 171031, 193620, 219897, 244330, 290430, 293196, 342062, 366495, 439794, 488660, 513093, 580860, 684124, 732990, 855155, 879588, 1026186, 1099485, 1465980, 1539279, 1710310, 2052372, 2198970, 2565465, 3078558, 3420620, 4397940, 5130930, 6157116, 7696395, 10261860, 15392790, 30785580]

約数ペア:

[(1, 30785580), (2, 15392790), (3, 10261860), (4, 7696395), (5, 6157116), (6, 5130930), (7, 4397940), (9, 3420620), (10, 3078558), (12, 2565465), (14, 2198970), (15, 2052372), (18, 1710310), (20, 1539279), (21, 1465980), (28, 1099485), (30, 1026186), (35, 879588), (36, 855155), (42, 732990), (45, 684124), (53, 580860), (60, 513093), (63, 488660), (70, 439794), (84, 366495), (90, 342062), (105, 293196), (106, 290430), (126, 244330), (140, 219897), (159, 193620), (180, 171031), (210, 146598), (212, 145215), (252, 122165), (265, 116172), (315, 97732), (318, 96810), (371, 82980), (420, 73299), (461, 66780), (477, 64540), (530, 58086), (630, 48866), (636, 48405), (742, 41490), (795, 38724), (922, 33390), (954, 32270), (1060, 29043), (1113, 27660), (1260, 24433), (1383, 22260), (1484, 20745), (1590, 19362), (1844, 16695), (1855, 16596), (1908, 16135), (2226, 13830), (2305, 13356), (2385, 12908), (2766, 11130), (3180, 9681), (3227, 9540), (3339, 9220), (3710, 8298), (4149, 7420), (4452, 6915), (4610, 6678), (4770, 6454), (5532, 5565)]