620480340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{433}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 1990497600

約数和(自身を除く): 1370017260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 419, 433, 570, 684, 838, 855, 866, 1140, 1257, 1299, 1676, 1710, 1732, 2095, 2165, 2514, 2598, 3420, 3771, 3897, 4190, 4330, 5028, 5196, 6285, 6495, 7542, 7794, 7961, 8227, 8380, 8660, 12570, 12990, 15084, 15588, 15922, 16454, 18855, 19485, 23883, 24681, 25140, 25980, 31844, 32908, 37710, 38970, 39805, 41135, 47766, 49362, 71649, 74043, 75420, 77940, 79610, 82270, 95532, 98724, 119415, 123405, 143298, 148086, 159220, 164540, 181427, 238830, 246810, 286596, 296172, 358245, 362854, 370215, 477660, 493620, 544281, 716490, 725708, 740430, 907135, 1088562, 1432980, 1480860, 1632843, 1814270, 2177124, 2721405, 3265686, 3447113, 3628540, 5442810, 6531372, 6894226, 8164215, 10341339, 10885620, 13788452, 16328430, 17235565, 20682678, 31024017, 32656860, 34471130, 41365356, 51706695, 62048034, 68942260, 103413390, 124096068, 155120085, 206826780, 310240170, 620480340]

約数ペア:

[(1, 620480340), (2, 310240170), (3, 206826780), (4, 155120085), (5, 124096068), (6, 103413390), (9, 68942260), (10, 62048034), (12, 51706695), (15, 41365356), (18, 34471130), (19, 32656860), (20, 31024017), (30, 20682678), (36, 17235565), (38, 16328430), (45, 13788452), (57, 10885620), (60, 10341339), (76, 8164215), (90, 6894226), (95, 6531372), (114, 5442810), (171, 3628540), (180, 3447113), (190, 3265686), (228, 2721405), (285, 2177124), (342, 1814270), (380, 1632843), (419, 1480860), (433, 1432980), (570, 1088562), (684, 907135), (838, 740430), (855, 725708), (866, 716490), (1140, 544281), (1257, 493620), (1299, 477660), (1676, 370215), (1710, 362854), (1732, 358245), (2095, 296172), (2165, 286596), (2514, 246810), (2598, 238830), (3420, 181427), (3771, 164540), (3897, 159220), (4190, 148086), (4330, 143298), (5028, 123405), (5196, 119415), (6285, 98724), (6495, 95532), (7542, 82270), (7794, 79610), (7961, 77940), (8227, 75420), (8380, 74043), (8660, 71649), (12570, 49362), (12990, 47766), (15084, 41135), (15588, 39805), (15922, 38970), (16454, 37710), (18855, 32908), (19485, 31844), (23883, 25980), (24681, 25140)]