204828240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:917

約数の個数: 160

約数和(自身を含む): 684170496

約数和(自身を除く): 479342256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 136, 170, 183, 204, 240, 244, 255, 272, 305, 340, 366, 408, 488, 510, 610, 680, 732, 816, 823, 915, 976, 1020, 1037, 1220, 1360, 1464, 1646, 1830, 2040, 2074, 2440, 2469, 2928, 3111, 3292, 3660, 4080, 4115, 4148, 4880, 4938, 5185, 6222, 6584, 7320, 8230, 8296, 9876, 10370, 12345, 12444, 13168, 13991, 14640, 15555, 16460, 16592, 19752, 20740, 24690, 24888, 27982, 31110, 32920, 39504, 41480, 41973, 49380, 49776, 50203, 55964, 62220, 65840, 69955, 82960, 83946, 98760, 100406, 111928, 124440, 139910, 150609, 167892, 197520, 200812, 209865, 223856, 248880, 251015, 279820, 301218, 335784, 401624, 419730, 502030, 559640, 602436, 671568, 753045, 803248, 839460, 853451, 1004060, 1119280, 1204872, 1506090, 1678920, 1706902, 2008120, 2409744, 2560353, 3012180, 3357840, 3413804, 4016240, 4267255, 5120706, 6024360, 6827608, 8534510, 10241412, 12048720, 12801765, 13655216, 17069020, 20482824, 25603530, 34138040, 40965648, 51207060, 68276080, 102414120, 204828240]

約数ペア:

[(1, 204828240), (2, 102414120), (3, 68276080), (4, 51207060), (5, 40965648), (6, 34138040), (8, 25603530), (10, 20482824), (12, 17069020), (15, 13655216), (16, 12801765), (17, 12048720), (20, 10241412), (24, 8534510), (30, 6827608), (34, 6024360), (40, 5120706), (48, 4267255), (51, 4016240), (60, 3413804), (61, 3357840), (68, 3012180), (80, 2560353), (85, 2409744), (102, 2008120), (120, 1706902), (122, 1678920), (136, 1506090), (170, 1204872), (183, 1119280), (204, 1004060), (240, 853451), (244, 839460), (255, 803248), (272, 753045), (305, 671568), (340, 602436), (366, 559640), (408, 502030), (488, 419730), (510, 401624), (610, 335784), (680, 301218), (732, 279820), (816, 251015), (823, 248880), (915, 223856), (976, 209865), (1020, 200812), (1037, 197520), (1220, 167892), (1360, 150609), (1464, 139910), (1646, 124440), (1830, 111928), (2040, 100406), (2074, 98760), (2440, 83946), (2469, 82960), (2928, 69955), (3111, 65840), (3292, 62220), (3660, 55964), (4080, 50203), (4115, 49776), (4148, 49380), (4880, 41973), (4938, 41480), (5185, 39504), (6222, 32920), (6584, 31110), (7320, 27982), (8230, 24888), (8296, 24690), (9876, 20740), (10370, 19752), (12345, 16592), (12444, 16460), (13168, 15555), (13991, 14640)]