217394320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 613960704

約数和(自身を除く): 396566384

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 613, 620, 682, 715, 806, 880, 1040, 1144, 1226, 1240, 1364, 1430, 1612, 1705, 2015, 2288, 2452, 2480, 2728, 2860, 3065, 3224, 3410, 4030, 4433, 4904, 5456, 5720, 6130, 6448, 6743, 6820, 7969, 8060, 8866, 9808, 11440, 12260, 13486, 13640, 15938, 16120, 17732, 19003, 22165, 24520, 26972, 27280, 31876, 32240, 33715, 35464, 38006, 39845, 44330, 49040, 53944, 63752, 67430, 70928, 76012, 79690, 87659, 88660, 95015, 107888, 127504, 134860, 152024, 159380, 175318, 177320, 190030, 209033, 247039, 269720, 304048, 318760, 350636, 354640, 380060, 418066, 438295, 494078, 539440, 637520, 701272, 760120, 836132, 876590, 988156, 1045165, 1235195, 1402544, 1520240, 1672264, 1753180, 1976312, 2090330, 2470390, 2717429, 3344528, 3506360, 3952624, 4180660, 4940780, 5434858, 7012720, 8361320, 9881560, 10869716, 13587145, 16722640, 19763120, 21739432, 27174290, 43478864, 54348580, 108697160, 217394320]

約数ペア:

[(1, 217394320), (2, 108697160), (4, 54348580), (5, 43478864), (8, 27174290), (10, 21739432), (11, 19763120), (13, 16722640), (16, 13587145), (20, 10869716), (22, 9881560), (26, 8361320), (31, 7012720), (40, 5434858), (44, 4940780), (52, 4180660), (55, 3952624), (62, 3506360), (65, 3344528), (80, 2717429), (88, 2470390), (104, 2090330), (110, 1976312), (124, 1753180), (130, 1672264), (143, 1520240), (155, 1402544), (176, 1235195), (208, 1045165), (220, 988156), (248, 876590), (260, 836132), (286, 760120), (310, 701272), (341, 637520), (403, 539440), (440, 494078), (496, 438295), (520, 418066), (572, 380060), (613, 354640), (620, 350636), (682, 318760), (715, 304048), (806, 269720), (880, 247039), (1040, 209033), (1144, 190030), (1226, 177320), (1240, 175318), (1364, 159380), (1430, 152024), (1612, 134860), (1705, 127504), (2015, 107888), (2288, 95015), (2452, 88660), (2480, 87659), (2728, 79690), (2860, 76012), (3065, 70928), (3224, 67430), (3410, 63752), (4030, 53944), (4433, 49040), (4904, 44330), (5456, 39845), (5720, 38006), (6130, 35464), (6448, 33715), (6743, 32240), (6820, 31876), (7969, 27280), (8060, 26972), (8866, 24520), (9808, 22165), (11440, 19003), (12260, 17732), (13486, 16120), (13640, 15938)]