16645720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 48988800

約数和(自身を除く): 32343080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 269, 280, 340, 364, 442, 455, 476, 520, 538, 595, 680, 728, 884, 910, 952, 1076, 1105, 1190, 1345, 1547, 1768, 1820, 1883, 2152, 2210, 2380, 2690, 3094, 3497, 3640, 3766, 4420, 4573, 4760, 5380, 6188, 6994, 7532, 7735, 8840, 9146, 9415, 10760, 12376, 13988, 15064, 15470, 17485, 18292, 18830, 22865, 24479, 27976, 30940, 32011, 34970, 36584, 37660, 45730, 48958, 59449, 61880, 64022, 69940, 75320, 91460, 97916, 118898, 122395, 128044, 139880, 160055, 182920, 195832, 237796, 244790, 256088, 297245, 320110, 416143, 475592, 489580, 594490, 640220, 832286, 979160, 1188980, 1280440, 1664572, 2080715, 2377960, 3329144, 4161430, 8322860, 16645720]

約数ペア:

[(1, 16645720), (2, 8322860), (4, 4161430), (5, 3329144), (7, 2377960), (8, 2080715), (10, 1664572), (13, 1280440), (14, 1188980), (17, 979160), (20, 832286), (26, 640220), (28, 594490), (34, 489580), (35, 475592), (40, 416143), (52, 320110), (56, 297245), (65, 256088), (68, 244790), (70, 237796), (85, 195832), (91, 182920), (104, 160055), (119, 139880), (130, 128044), (136, 122395), (140, 118898), (170, 97916), (182, 91460), (221, 75320), (238, 69940), (260, 64022), (269, 61880), (280, 59449), (340, 48958), (364, 45730), (442, 37660), (455, 36584), (476, 34970), (520, 32011), (538, 30940), (595, 27976), (680, 24479), (728, 22865), (884, 18830), (910, 18292), (952, 17485), (1076, 15470), (1105, 15064), (1190, 13988), (1345, 12376), (1547, 10760), (1768, 9415), (1820, 9146), (1883, 8840), (2152, 7735), (2210, 7532), (2380, 6994), (2690, 6188), (3094, 5380), (3497, 4760), (3640, 4573), (3766, 4420)]