78340470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 213736320

約数和(自身を除く): 135395850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 61, 65, 74, 78, 89, 111, 122, 130, 178, 183, 185, 195, 222, 267, 305, 366, 370, 390, 445, 481, 534, 555, 610, 793, 890, 915, 962, 1110, 1157, 1335, 1443, 1586, 1830, 2257, 2314, 2379, 2405, 2670, 2886, 3293, 3471, 3965, 4514, 4758, 4810, 5429, 5785, 6586, 6771, 6942, 7215, 7930, 9879, 10858, 11285, 11570, 11895, 13542, 14430, 16287, 16465, 17355, 19758, 22570, 23790, 27145, 29341, 32574, 32930, 33855, 34710, 42809, 49395, 54290, 58682, 67710, 70577, 81435, 85618, 88023, 98790, 128427, 141154, 146705, 162870, 176046, 200873, 211731, 214045, 256854, 293410, 352885, 401746, 423462, 428090, 440115, 602619, 642135, 705770, 880230, 1004365, 1058655, 1205238, 1284270, 2008730, 2117310, 2611349, 3013095, 5222698, 6026190, 7834047, 13056745, 15668094, 26113490, 39170235, 78340470]

約数ペア:

[(1, 78340470), (2, 39170235), (3, 26113490), (5, 15668094), (6, 13056745), (10, 7834047), (13, 6026190), (15, 5222698), (26, 3013095), (30, 2611349), (37, 2117310), (39, 2008730), (61, 1284270), (65, 1205238), (74, 1058655), (78, 1004365), (89, 880230), (111, 705770), (122, 642135), (130, 602619), (178, 440115), (183, 428090), (185, 423462), (195, 401746), (222, 352885), (267, 293410), (305, 256854), (366, 214045), (370, 211731), (390, 200873), (445, 176046), (481, 162870), (534, 146705), (555, 141154), (610, 128427), (793, 98790), (890, 88023), (915, 85618), (962, 81435), (1110, 70577), (1157, 67710), (1335, 58682), (1443, 54290), (1586, 49395), (1830, 42809), (2257, 34710), (2314, 33855), (2379, 32930), (2405, 32574), (2670, 29341), (2886, 27145), (3293, 23790), (3471, 22570), (3965, 19758), (4514, 17355), (4758, 16465), (4810, 16287), (5429, 14430), (5785, 13542), (6586, 11895), (6771, 11570), (6942, 11285), (7215, 10858), (7930, 9879)]