171563920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 474255360

約数和(自身を除く): 302691440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 304, 310, 331, 341, 380, 418, 440, 496, 589, 620, 662, 682, 760, 836, 880, 1045, 1178, 1240, 1324, 1364, 1520, 1655, 1672, 1705, 2090, 2356, 2480, 2648, 2728, 2945, 3310, 3344, 3410, 3641, 4180, 4712, 5296, 5456, 5890, 6289, 6479, 6620, 6820, 7282, 8360, 9424, 10261, 11780, 12578, 12958, 13240, 13640, 14564, 16720, 18205, 20522, 23560, 25156, 25916, 26480, 27280, 29128, 31445, 32395, 36410, 41044, 47120, 50312, 51305, 51832, 58256, 62890, 64790, 69179, 72820, 82088, 100624, 102610, 103664, 112871, 125780, 129580, 138358, 145640, 164176, 194959, 205220, 225742, 251560, 259160, 276716, 291280, 345895, 389918, 410440, 451484, 503120, 518320, 553432, 564355, 691790, 779836, 820880, 902968, 974795, 1106864, 1128710, 1383580, 1559672, 1805936, 1949590, 2144549, 2257420, 2767160, 3119344, 3899180, 4289098, 4514840, 5534320, 7798360, 8578196, 9029680, 10722745, 15596720, 17156392, 21445490, 34312784, 42890980, 85781960, 171563920]

約数ペア:

[(1, 171563920), (2, 85781960), (4, 42890980), (5, 34312784), (8, 21445490), (10, 17156392), (11, 15596720), (16, 10722745), (19, 9029680), (20, 8578196), (22, 7798360), (31, 5534320), (38, 4514840), (40, 4289098), (44, 3899180), (55, 3119344), (62, 2767160), (76, 2257420), (80, 2144549), (88, 1949590), (95, 1805936), (110, 1559672), (124, 1383580), (152, 1128710), (155, 1106864), (176, 974795), (190, 902968), (209, 820880), (220, 779836), (248, 691790), (304, 564355), (310, 553432), (331, 518320), (341, 503120), (380, 451484), (418, 410440), (440, 389918), (496, 345895), (589, 291280), (620, 276716), (662, 259160), (682, 251560), (760, 225742), (836, 205220), (880, 194959), (1045, 164176), (1178, 145640), (1240, 138358), (1324, 129580), (1364, 125780), (1520, 112871), (1655, 103664), (1672, 102610), (1705, 100624), (2090, 82088), (2356, 72820), (2480, 69179), (2648, 64790), (2728, 62890), (2945, 58256), (3310, 51832), (3344, 51305), (3410, 50312), (3641, 47120), (4180, 41044), (4712, 36410), (5296, 32395), (5456, 31445), (5890, 29128), (6289, 27280), (6479, 26480), (6620, 25916), (6820, 25156), (7282, 23560), (8360, 20522), (9424, 18205), (10261, 16720), (11780, 14564), (12578, 13640), (12958, 13240)]