77254380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 216

約数和(自身を含む): 287567280

約数和(自身を除く): 210312900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 461, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 922, 931, 980, 1140, 1197, 1260, 1330, 1383, 1470, 1596, 1710, 1764, 1844, 1862, 1995, 2205, 2305, 2394, 2660, 2766, 2793, 2940, 3227, 3420, 3724, 3990, 4149, 4410, 4610, 4655, 4788, 5532, 5586, 5985, 6454, 6915, 7980, 8298, 8379, 8759, 8820, 9220, 9310, 9681, 11172, 11970, 12908, 13830, 13965, 16135, 16596, 16758, 17518, 18620, 19362, 20745, 22589, 23940, 26277, 27660, 27930, 29043, 32270, 33516, 35036, 38724, 41490, 41895, 43795, 45178, 48405, 52554, 55860, 58086, 61313, 64540, 67767, 78831, 82980, 83790, 87590, 90356, 96810, 105108, 112945, 116172, 122626, 131385, 135534, 145215, 157662, 167580, 175180, 183939, 193620, 203301, 225890, 245252, 262770, 271068, 290430, 306565, 315324, 338835, 367878, 394155, 406602, 429191, 451780, 525540, 551817, 580860, 613130, 677670, 735756, 788310, 813204, 858382, 919695, 1016505, 1103634, 1226260, 1287573, 1355340, 1576620, 1716764, 1839390, 2033010, 2145955, 2207268, 2575146, 2759085, 3678780, 3862719, 4066020, 4291910, 5150292, 5518170, 6437865, 7725438, 8583820, 11036340, 12875730, 15450876, 19313595, 25751460, 38627190, 77254380]

約数ペア:

[(1, 77254380), (2, 38627190), (3, 25751460), (4, 19313595), (5, 15450876), (6, 12875730), (7, 11036340), (9, 8583820), (10, 7725438), (12, 6437865), (14, 5518170), (15, 5150292), (18, 4291910), (19, 4066020), (20, 3862719), (21, 3678780), (28, 2759085), (30, 2575146), (35, 2207268), (36, 2145955), (38, 2033010), (42, 1839390), (45, 1716764), (49, 1576620), (57, 1355340), (60, 1287573), (63, 1226260), (70, 1103634), (76, 1016505), (84, 919695), (90, 858382), (95, 813204), (98, 788310), (105, 735756), (114, 677670), (126, 613130), (133, 580860), (140, 551817), (147, 525540), (171, 451780), (180, 429191), (190, 406602), (196, 394155), (210, 367878), (228, 338835), (245, 315324), (252, 306565), (266, 290430), (285, 271068), (294, 262770), (315, 245252), (342, 225890), (380, 203301), (399, 193620), (420, 183939), (441, 175180), (461, 167580), (490, 157662), (532, 145215), (570, 135534), (588, 131385), (630, 122626), (665, 116172), (684, 112945), (735, 105108), (798, 96810), (855, 90356), (882, 87590), (922, 83790), (931, 82980), (980, 78831), (1140, 67767), (1197, 64540), (1260, 61313), (1330, 58086), (1383, 55860), (1470, 52554), (1596, 48405), (1710, 45178), (1764, 43795), (1844, 41895), (1862, 41490), (1995, 38724), (2205, 35036), (2305, 33516), (2394, 32270), (2660, 29043), (2766, 27930), (2793, 27660), (2940, 26277), (3227, 23940), (3420, 22589), (3724, 20745), (3990, 19362), (4149, 18620), (4410, 17518), (4610, 16758), (4655, 16596), (4788, 16135), (5532, 13965), (5586, 13830), (5985, 12908), (6454, 11970), (6915, 11172), (7980, 9681), (8298, 9310), (8379, 9220), (8759, 8820)]