664405470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 1836172800

約数和(自身を除く): 1171767330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 89, 90, 129, 135, 178, 215, 258, 267, 270, 387, 430, 445, 534, 643, 645, 774, 801, 890, 1161, 1286, 1290, 1335, 1602, 1929, 1935, 2322, 2403, 2670, 3215, 3827, 3858, 3870, 4005, 4806, 5787, 5805, 6430, 7654, 8010, 9645, 11481, 11574, 11610, 12015, 17361, 19135, 19290, 22962, 24030, 27649, 28935, 34443, 34722, 38270, 55298, 57227, 57405, 57870, 68886, 82947, 86805, 103329, 114454, 114810, 138245, 165894, 171681, 172215, 173610, 206658, 248841, 276490, 286135, 343362, 344430, 414735, 497682, 515043, 516645, 572270, 746523, 829470, 858405, 1030086, 1033290, 1244205, 1493046, 1545129, 1716810, 2460761, 2488410, 2575215, 3090258, 3732615, 4921522, 5150430, 7382283, 7465230, 7725645, 12303805, 14764566, 15451290, 22146849, 24607610, 36911415, 44293698, 66440547, 73822830, 110734245, 132881094, 221468490, 332202735, 664405470]

約数ペア:

[(1, 664405470), (2, 332202735), (3, 221468490), (5, 132881094), (6, 110734245), (9, 73822830), (10, 66440547), (15, 44293698), (18, 36911415), (27, 24607610), (30, 22146849), (43, 15451290), (45, 14764566), (54, 12303805), (86, 7725645), (89, 7465230), (90, 7382283), (129, 5150430), (135, 4921522), (178, 3732615), (215, 3090258), (258, 2575215), (267, 2488410), (270, 2460761), (387, 1716810), (430, 1545129), (445, 1493046), (534, 1244205), (643, 1033290), (645, 1030086), (774, 858405), (801, 829470), (890, 746523), (1161, 572270), (1286, 516645), (1290, 515043), (1335, 497682), (1602, 414735), (1929, 344430), (1935, 343362), (2322, 286135), (2403, 276490), (2670, 248841), (3215, 206658), (3827, 173610), (3858, 172215), (3870, 171681), (4005, 165894), (4806, 138245), (5787, 114810), (5805, 114454), (6430, 103329), (7654, 86805), (8010, 82947), (9645, 68886), (11481, 57870), (11574, 57405), (11610, 57227), (12015, 55298), (17361, 38270), (19135, 34722), (19290, 34443), (22962, 28935), (24030, 27649)]