71833020

素因数分解:

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

素因数の和:540

約数の個数: 144

約数和(自身を含む): 238902048

約数和(自身を除く): 167069028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 461, 490, 530, 588, 636, 735, 742, 795, 922, 980, 1060, 1113, 1383, 1470, 1484, 1590, 1844, 1855, 2226, 2305, 2597, 2766, 2940, 3180, 3227, 3710, 4452, 4610, 5194, 5532, 5565, 6454, 6915, 7420, 7791, 9220, 9681, 10388, 11130, 12908, 12985, 13830, 15582, 16135, 19362, 22260, 22589, 24433, 25970, 27660, 31164, 32270, 38724, 38955, 45178, 48405, 48866, 51940, 64540, 67767, 73299, 77910, 90356, 96810, 97732, 112945, 122165, 135534, 146598, 155820, 171031, 193620, 225890, 244330, 271068, 293196, 338835, 342062, 366495, 451780, 488660, 513093, 677670, 684124, 732990, 855155, 1026186, 1197217, 1355340, 1465980, 1710310, 2052372, 2394434, 2565465, 3420620, 3591651, 4788868, 5130930, 5986085, 7183302, 10261860, 11972170, 14366604, 17958255, 23944340, 35916510, 71833020]

約数ペア:

[(1, 71833020), (2, 35916510), (3, 23944340), (4, 17958255), (5, 14366604), (6, 11972170), (7, 10261860), (10, 7183302), (12, 5986085), (14, 5130930), (15, 4788868), (20, 3591651), (21, 3420620), (28, 2565465), (30, 2394434), (35, 2052372), (42, 1710310), (49, 1465980), (53, 1355340), (60, 1197217), (70, 1026186), (84, 855155), (98, 732990), (105, 684124), (106, 677670), (140, 513093), (147, 488660), (159, 451780), (196, 366495), (210, 342062), (212, 338835), (245, 293196), (265, 271068), (294, 244330), (318, 225890), (371, 193620), (420, 171031), (461, 155820), (490, 146598), (530, 135534), (588, 122165), (636, 112945), (735, 97732), (742, 96810), (795, 90356), (922, 77910), (980, 73299), (1060, 67767), (1113, 64540), (1383, 51940), (1470, 48866), (1484, 48405), (1590, 45178), (1844, 38955), (1855, 38724), (2226, 32270), (2305, 31164), (2597, 27660), (2766, 25970), (2940, 24433), (3180, 22589), (3227, 22260), (3710, 19362), (4452, 16135), (4610, 15582), (5194, 13830), (5532, 12985), (5565, 12908), (6454, 11130), (6915, 10388), (7420, 9681), (7791, 9220)]