87213420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3643}}^1$

素因数の和:3684

約数の個数: 144

約数和(自身を含む): 318339840

約数和(自身を除く): 231126420

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, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3643, 3990, 4788, 5985, 7286, 7980, 10929, 11970, 14572, 18215, 21858, 23940, 25501, 32787, 36430, 43716, 51002, 54645, 65574, 69217, 72860, 76503, 102004, 109290, 127505, 131148, 138434, 153006, 163935, 207651, 218580, 229509, 255010, 276868, 306012, 327870, 346085, 382515, 415302, 459018, 484519, 510020, 622953, 655740, 692170, 765030, 830604, 918036, 969038, 1038255, 1147545, 1245906, 1384340, 1453557, 1530060, 1938076, 2076510, 2295090, 2422595, 2491812, 2907114, 3114765, 4153020, 4360671, 4590180, 4845190, 5814228, 6229530, 7267785, 8721342, 9690380, 12459060, 14535570, 17442684, 21803355, 29071140, 43606710, 87213420]

約数ペア:

[(1, 87213420), (2, 43606710), (3, 29071140), (4, 21803355), (5, 17442684), (6, 14535570), (7, 12459060), (9, 9690380), (10, 8721342), (12, 7267785), (14, 6229530), (15, 5814228), (18, 4845190), (19, 4590180), (20, 4360671), (21, 4153020), (28, 3114765), (30, 2907114), (35, 2491812), (36, 2422595), (38, 2295090), (42, 2076510), (45, 1938076), (57, 1530060), (60, 1453557), (63, 1384340), (70, 1245906), (76, 1147545), (84, 1038255), (90, 969038), (95, 918036), (105, 830604), (114, 765030), (126, 692170), (133, 655740), (140, 622953), (171, 510020), (180, 484519), (190, 459018), (210, 415302), (228, 382515), (252, 346085), (266, 327870), (285, 306012), (315, 276868), (342, 255010), (380, 229509), (399, 218580), (420, 207651), (532, 163935), (570, 153006), (630, 138434), (665, 131148), (684, 127505), (798, 109290), (855, 102004), (1140, 76503), (1197, 72860), (1260, 69217), (1330, 65574), (1596, 54645), (1710, 51002), (1995, 43716), (2394, 36430), (2660, 32787), (3420, 25501), (3643, 23940), (3990, 21858), (4788, 18215), (5985, 14572), (7286, 11970), (7980, 10929)]