55180890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{89}}^1$

素因数の和:268

約数の個数: 72

約数和(自身を含む): 146851380

約数和(自身を除く): 91670490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 89, 90, 166, 178, 249, 267, 415, 445, 498, 534, 747, 801, 830, 890, 1245, 1335, 1494, 1602, 2490, 2670, 3735, 4005, 6889, 7387, 7470, 8010, 13778, 14774, 20667, 22161, 34445, 36935, 41334, 44322, 62001, 66483, 68890, 73870, 103335, 110805, 124002, 132966, 206670, 221610, 310005, 332415, 613121, 620010, 664830, 1226242, 1839363, 3065605, 3678726, 5518089, 6131210, 9196815, 11036178, 18393630, 27590445, 55180890]

約数ペア:

[(1, 55180890), (2, 27590445), (3, 18393630), (5, 11036178), (6, 9196815), (9, 6131210), (10, 5518089), (15, 3678726), (18, 3065605), (30, 1839363), (45, 1226242), (83, 664830), (89, 620010), (90, 613121), (166, 332415), (178, 310005), (249, 221610), (267, 206670), (415, 132966), (445, 124002), (498, 110805), (534, 103335), (747, 73870), (801, 68890), (830, 66483), (890, 62001), (1245, 44322), (1335, 41334), (1494, 36935), (1602, 34445), (2490, 22161), (2670, 20667), (3735, 14774), (4005, 13778), (6889, 8010), (7387, 7470)]