28866780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 91963872

約数和(自身を除く): 63097092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 173, 180, 206, 270, 309, 324, 346, 405, 412, 515, 519, 540, 618, 692, 810, 865, 927, 1030, 1038, 1236, 1545, 1557, 1620, 1730, 1854, 2060, 2076, 2595, 2781, 3090, 3114, 3460, 3708, 4635, 4671, 5190, 5562, 6180, 6228, 7785, 8343, 9270, 9342, 10380, 11124, 13905, 14013, 15570, 16686, 17819, 18540, 18684, 23355, 27810, 28026, 31140, 33372, 35638, 41715, 46710, 53457, 55620, 56052, 70065, 71276, 83430, 89095, 93420, 106914, 140130, 160371, 166860, 178190, 213828, 267285, 280260, 320742, 356380, 481113, 534570, 641484, 801855, 962226, 1069140, 1443339, 1603710, 1924452, 2405565, 2886678, 3207420, 4811130, 5773356, 7216695, 9622260, 14433390, 28866780]

約数ペア:

[(1, 28866780), (2, 14433390), (3, 9622260), (4, 7216695), (5, 5773356), (6, 4811130), (9, 3207420), (10, 2886678), (12, 2405565), (15, 1924452), (18, 1603710), (20, 1443339), (27, 1069140), (30, 962226), (36, 801855), (45, 641484), (54, 534570), (60, 481113), (81, 356380), (90, 320742), (103, 280260), (108, 267285), (135, 213828), (162, 178190), (173, 166860), (180, 160371), (206, 140130), (270, 106914), (309, 93420), (324, 89095), (346, 83430), (405, 71276), (412, 70065), (515, 56052), (519, 55620), (540, 53457), (618, 46710), (692, 41715), (810, 35638), (865, 33372), (927, 31140), (1030, 28026), (1038, 27810), (1236, 23355), (1545, 18684), (1557, 18540), (1620, 17819), (1730, 16686), (1854, 15570), (2060, 14013), (2076, 13905), (2595, 11124), (2781, 10380), (3090, 9342), (3114, 9270), (3460, 8343), (3708, 7785), (4635, 6228), (4671, 6180), (5190, 5562)]