208389720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1238

約数の個数: 256

約数和(自身を含む): 821145600

約数和(自身を除く): 612755880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 760, 770, 798, 836, 840, 924, 1045, 1064, 1140, 1155, 1187, 1254, 1320, 1330, 1463, 1540, 1596, 1672, 1848, 1995, 2090, 2280, 2310, 2374, 2508, 2660, 2926, 3080, 3135, 3192, 3561, 3990, 4180, 4389, 4620, 4748, 5016, 5320, 5852, 5935, 6270, 7122, 7315, 7980, 8309, 8360, 8778, 9240, 9496, 11704, 11870, 12540, 13057, 14244, 14630, 15960, 16618, 17556, 17805, 21945, 22553, 23740, 24927, 25080, 26114, 28488, 29260, 33236, 35112, 35610, 39171, 41545, 43890, 45106, 47480, 49854, 52228, 58520, 65285, 66472, 67659, 71220, 78342, 83090, 87780, 90212, 91399, 99708, 104456, 112765, 124635, 130570, 135318, 142440, 156684, 157871, 166180, 175560, 180424, 182798, 195855, 199416, 225530, 248083, 249270, 261140, 270636, 274197, 313368, 315742, 332360, 338295, 365596, 391710, 451060, 456995, 473613, 496166, 498540, 522280, 541272, 548394, 631484, 676590, 731192, 744249, 783420, 789355, 902120, 913990, 947226, 992332, 997080, 1096788, 1240415, 1262968, 1353180, 1370985, 1488498, 1566840, 1578710, 1736581, 1827980, 1894452, 1984664, 2193576, 2368065, 2480830, 2706360, 2741970, 2976996, 3157420, 3473162, 3655960, 3721245, 3788904, 4736130, 4961660, 5209743, 5483940, 5953992, 6314840, 6946324, 7442490, 8682905, 9472260, 9923320, 10419486, 10967880, 13892648, 14884980, 17365810, 18944520, 20838972, 26048715, 29769960, 34731620, 41677944, 52097430, 69463240, 104194860, 208389720]

約数ペア:

[(1, 208389720), (2, 104194860), (3, 69463240), (4, 52097430), (5, 41677944), (6, 34731620), (7, 29769960), (8, 26048715), (10, 20838972), (11, 18944520), (12, 17365810), (14, 14884980), (15, 13892648), (19, 10967880), (20, 10419486), (21, 9923320), (22, 9472260), (24, 8682905), (28, 7442490), (30, 6946324), (33, 6314840), (35, 5953992), (38, 5483940), (40, 5209743), (42, 4961660), (44, 4736130), (55, 3788904), (56, 3721245), (57, 3655960), (60, 3473162), (66, 3157420), (70, 2976996), (76, 2741970), (77, 2706360), (84, 2480830), (88, 2368065), (95, 2193576), (105, 1984664), (110, 1894452), (114, 1827980), (120, 1736581), (132, 1578710), (133, 1566840), (140, 1488498), (152, 1370985), (154, 1353180), (165, 1262968), (168, 1240415), (190, 1096788), (209, 997080), (210, 992332), (220, 947226), (228, 913990), (231, 902120), (264, 789355), (266, 783420), (280, 744249), (285, 731192), (308, 676590), (330, 631484), (380, 548394), (385, 541272), (399, 522280), (418, 498540), (420, 496166), (440, 473613), (456, 456995), (462, 451060), (532, 391710), (570, 365596), (616, 338295), (627, 332360), (660, 315742), (665, 313368), (760, 274197), (770, 270636), (798, 261140), (836, 249270), (840, 248083), (924, 225530), (1045, 199416), (1064, 195855), (1140, 182798), (1155, 180424), (1187, 175560), (1254, 166180), (1320, 157871), (1330, 156684), (1463, 142440), (1540, 135318), (1596, 130570), (1672, 124635), (1848, 112765), (1995, 104456), (2090, 99708), (2280, 91399), (2310, 90212), (2374, 87780), (2508, 83090), (2660, 78342), (2926, 71220), (3080, 67659), (3135, 66472), (3192, 65285), (3561, 58520), (3990, 52228), (4180, 49854), (4389, 47480), (4620, 45106), (4748, 43890), (5016, 41545), (5320, 39171), (5852, 35610), (5935, 35112), (6270, 33236), (7122, 29260), (7315, 28488), (7980, 26114), (8309, 25080), (8360, 24927), (8778, 23740), (9240, 22553), (9496, 21945), (11704, 17805), (11870, 17556), (12540, 16618), (13057, 15960), (14244, 14630)]