30453280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 85227660

約数和(自身を除く): 54774380

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 352, 416, 440, 484, 520, 572, 605, 715, 880, 968, 1040, 1144, 1210, 1331, 1430, 1573, 1760, 1936, 2080, 2288, 2420, 2662, 2860, 3146, 3872, 4576, 4840, 5324, 5720, 6292, 6655, 7865, 9680, 10648, 11440, 12584, 13310, 14641, 15730, 17303, 19360, 21296, 22880, 25168, 26620, 29282, 31460, 34606, 42592, 50336, 53240, 58564, 62920, 69212, 73205, 86515, 106480, 117128, 125840, 138424, 146410, 173030, 190333, 212960, 234256, 251680, 276848, 292820, 346060, 380666, 468512, 553696, 585640, 692120, 761332, 951665, 1171280, 1384240, 1522664, 1903330, 2342560, 2768480, 3045328, 3806660, 6090656, 7613320, 15226640, 30453280]

約数ペア:

[(1, 30453280), (2, 15226640), (4, 7613320), (5, 6090656), (8, 3806660), (10, 3045328), (11, 2768480), (13, 2342560), (16, 1903330), (20, 1522664), (22, 1384240), (26, 1171280), (32, 951665), (40, 761332), (44, 692120), (52, 585640), (55, 553696), (65, 468512), (80, 380666), (88, 346060), (104, 292820), (110, 276848), (121, 251680), (130, 234256), (143, 212960), (160, 190333), (176, 173030), (208, 146410), (220, 138424), (242, 125840), (260, 117128), (286, 106480), (352, 86515), (416, 73205), (440, 69212), (484, 62920), (520, 58564), (572, 53240), (605, 50336), (715, 42592), (880, 34606), (968, 31460), (1040, 29282), (1144, 26620), (1210, 25168), (1331, 22880), (1430, 21296), (1573, 19360), (1760, 17303), (1936, 15730), (2080, 14641), (2288, 13310), (2420, 12584), (2662, 11440), (2860, 10648), (3146, 9680), (3872, 7865), (4576, 6655), (4840, 6292), (5324, 5720)]